5551111032 has 64 divisors (see below), whose sum is σ = 14484627360. Its totient is φ = 1771161600.

The previous prime is 5551111021. The next prime is 5551111043. The reversal of 5551111032 is 2301111555.

It is an interprime number because it is at equal distance from previous prime (5551111021) and next prime (5551111043).

It is a super-3 number, since 3×5551111032³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 5551110993 and 5551111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069 + ... + 105372.

Almost surely, 2^5551111032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5551111032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7242313680).

5551111032 is an abundant number, since it is smaller than the sum of its proper divisors (8933516328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5551111032 is a wasteful number, since it uses less digits than its factorization.

5551111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106544 (or 106540 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 5551111032 is about 74505.7785141528. The cubic root of 5551111032 is about 1770.6251881949.

Adding to 5551111032 its reverse (2301111555), we get a palindrome (7852222587).

The spelling of 5551111032 in words is "five billion, five hundred fifty-one million, one hundred eleven thousand, thirty-two".