11153515516 has 48 divisors (see below), whose sum is σ = 24279907680. Its totient is φ = 4404510720.

The previous prime is 11153515469. The next prime is 11153515561. The reversal of 11153515516 is 61551535111.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 563781 + ... + 583228.

It is an arithmetic number, because the mean of its divisors is an integer number (505831410).

Almost surely, 2^11153515516 is an apocalyptic number.

It is an amenable number.

11153515516 is an abundant number, since it is smaller than the sum of its proper divisors (13126392164).

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

11153515516 is a wasteful number, since it uses less digits than its factorization.

11153515516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147054 (or 1147052 counting only the distinct ones).

The product of its digits is 11250, while the sum is 34.

The spelling of 11153515516 in words is "eleven billion, one hundred fifty-three million, five hundred fifteen thousand, five hundred sixteen".