15725015260 has 24 divisors (see below), whose sum is σ = 33039301680. Its totient is φ = 6286811904.

The previous prime is 15725015227. The next prime is 15725015261. The reversal of 15725015260 is 6251052751.

It is a super-2 number, since 2×15725015260² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15725015261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159069 + ... + 238228.

It is an arithmetic number, because the mean of its divisors is an integer number (1376637570).

Almost surely, 2^15725015260 is an apocalyptic number.

15725015260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15725015260 is an abundant number, since it is smaller than the sum of its proper divisors (17314286420).

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

15725015260 is a wasteful number, since it uses less digits than its factorization.

15725015260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399285 (or 399283 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 15725015260 in words is "fifteen billion, seven hundred twenty-five million, fifteen thousand, two hundred sixty".