15511452652 has 24 divisors (see below), whose sum is σ = 27352660832. Its totient is φ = 7696512000.

The previous prime is 15511452637. The next prime is 15511452659. The reversal of 15511452652 is 25625411551.

It is not an unprimeable number, because it can be changed into a prime (15511452659) 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, 604108 + ... + 629260.

Almost surely, 2^15511452652 is an apocalyptic number.

It is an amenable number.

15511452652 is a deficient number, since it is larger than the sum of its proper divisors (11841208180).

15511452652 is a wasteful number, since it uses less digits than its factorization.

15511452652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26329 (or 26327 counting only the distinct ones).

The product of its digits is 60000, while the sum is 37.

The spelling of 15511452652 in words is "fifteen billion, five hundred eleven million, four hundred fifty-two thousand, six hundred fifty-two".