11156648784 has 40 divisors (see below), whose sum is σ = 29085772320. Its totient is φ = 3684763008.

The previous prime is 11156648761. The next prime is 11156648819. The reversal of 11156648784 is 48784665111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060962 + ... + 1071425.

It is an arithmetic number, because the mean of its divisors is an integer number (727144308).

Almost surely, 2^11156648784 is an apocalyptic number.

It is an amenable number.

11156648784 is an abundant number, since it is smaller than the sum of its proper divisors (17929123536).

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

11156648784 is a wasteful number, since it uses less digits than its factorization.

11156648784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132507 (or 2132501 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The spelling of 11156648784 in words is "eleven billion, one hundred fifty-six million, six hundred forty-eight thousand, seven hundred eighty-four".