11615540252 has 12 divisors (see below), whose sum is σ = 20393409960. Its totient is φ = 5788851696.

The previous prime is 11615540231. The next prime is 11615540323. The reversal of 11615540252 is 25204551611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4728227 + ... + 4730682.

It is an arithmetic number, because the mean of its divisors is an integer number (1699450830).

Almost surely, 2^11615540252 is an apocalyptic number.

It is an amenable number.

11615540252 is a deficient number, since it is larger than the sum of its proper divisors (8777869708).

11615540252 is a wasteful number, since it uses less digits than its factorization.

11615540252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459220 (or 9459218 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 11615540252 in words is "eleven billion, six hundred fifteen million, five hundred forty thousand, two hundred fifty-two".