11409276956 has 24 divisors (see below), whose sum is σ = 24892968576. Its totient is φ = 4445172720.

The previous prime is 11409276943. The next prime is 11409277051. The reversal of 11409276956 is 65967290411.

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, 18521246 + ... + 18521861.

It is an arithmetic number, because the mean of its divisors is an integer number (1037207024).

Almost surely, 2^11409276956 is an apocalyptic number.

It is an amenable number.

11409276956 is an abundant number, since it is smaller than the sum of its proper divisors (13483691620).

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

11409276956 is a wasteful number, since it uses less digits than its factorization.

11409276956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37043129 (or 37043127 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 11409276956 in words is "eleven billion, four hundred nine million, two hundred seventy-six thousand, nine hundred fifty-six".