15016572120 has 128 divisors (see below), whose sum is σ = 51281994240. Its totient is φ = 3482096640.

The previous prime is 15016572113. The next prime is 15016572121. The reversal of 15016572120 is 2127561051.

It is a super-2 number, since 2×15016572120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15016572121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216949 + ... + 277668.

It is an arithmetic number, because the mean of its divisors is an integer number (400640580).

Almost surely, 2^15016572120 is an apocalyptic number.

15016572120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15016572120 is an abundant number, since it is smaller than the sum of its proper divisors (36265422120).

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

15016572120 is a wasteful number, since it uses less digits than its factorization.

15016572120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494665 (or 494661 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 15016572120 in words is "fifteen billion, sixteen million, five hundred seventy-two thousand, one hundred twenty".