11465252555 has 16 divisors (see below), whose sum is σ = 14535897600. Its totient is φ = 8657370720.

The previous prime is 11465252549. The next prime is 11465252563. The reversal of 11465252555 is 55525256411.

It is not a de Polignac number, because 11465252555 - 2²⁰ = 11464203979 is a prime.

It is a super-2 number, since 2×11465252555² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196925 + ... + 248414.

It is an arithmetic number, because the mean of its divisors is an integer number (908493600).

Almost surely, 2^11465252555 is an apocalyptic number.

11465252555 is a deficient number, since it is larger than the sum of its proper divisors (3070645045).

11465252555 is a wasteful number, since it uses less digits than its factorization.

11465252555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445634.

The product of its digits is 300000, while the sum is 41.

The spelling of 11465252555 in words is "eleven billion, four hundred sixty-five million, two hundred fifty-two thousand, five hundred fifty-five".