5145116221 has 16 divisors (see below), whose sum is σ = 6094061568. Its totient is φ = 4250790000.

The previous prime is 5145116213. The next prime is 5145116227. The reversal of 5145116221 is 1226115415.

It is a cyclic number.

It is not a de Polignac number, because 5145116221 - 2³ = 5145116213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5145116221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145116227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7236 + ... + 101698.

It is an arithmetic number, because the mean of its divisors is an integer number (380878848).

Almost surely, 2^5145116221 is an apocalyptic number.

It is an amenable number.

5145116221 is a deficient number, since it is larger than the sum of its proper divisors (948945347).

5145116221 is a wasteful number, since it uses less digits than its factorization.

5145116221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94752.

The product of its digits is 2400, while the sum is 28.

The square root of 5145116221 is about 71729.4655005877. The cubic root of 5145116221 is about 1726.3614508284.

The spelling of 5145116221 in words is "five billion, one hundred forty-five million, one hundred sixteen thousand, two hundred twenty-one".