15452155536 has 40 divisors (see below), whose sum is σ = 42019021920. Its totient is φ = 4879627776.

The previous prime is 15452155531. The next prime is 15452155541. The reversal of 15452155536 is 63555125451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15452155531) and next prime (15452155541).

It is a super-2 number, since 2×15452155536² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15452155531) 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, 8470665 + ... + 8472488.

It is an arithmetic number, because the mean of its divisors is an integer number (1050475548).

Almost surely, 2^15452155536 is an apocalyptic number.

15452155536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15452155536 is an abundant number, since it is smaller than the sum of its proper divisors (26566866384).

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

15452155536 is a wasteful number, since it uses less digits than its factorization.

15452155536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16943183 (or 16943177 counting only the distinct ones).

The product of its digits is 450000, while the sum is 42.

The spelling of 15452155536 in words is "fifteen billion, four hundred fifty-two million, one hundred fifty-five thousand, five hundred thirty-six".