1135051554 has 64 divisors (see below), whose sum is σ = 2821238784. Its totient is φ = 296433216.

The previous prime is 1135051517. The next prime is 1135051559. The reversal of 1135051554 is 4551505311.

It is not an unprimeable number, because it can be changed into a prime (1135051559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46147 + ... + 66329.

It is an arithmetic number, because the mean of its divisors is an integer number (44081856).

Almost surely, 2^1135051554 is an apocalyptic number.

1135051554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135051554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410619392).

1135051554 is an abundant number, since it is smaller than the sum of its proper divisors (1686187230).

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

1135051554 is a wasteful number, since it uses less digits than its factorization.

1135051554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1135051554 is about 33690.5261757664. The cubic root of 1135051554 is about 1043.1302245486.

Adding to 1135051554 its reverse (4551505311), we get a palindrome (5686556865).

The spelling of 1135051554 in words is "one billion, one hundred thirty-five million, fifty-one thousand, five hundred fifty-four".