11556356104 has 32 divisors (see below), whose sum is σ = 22500770040. Its totient is φ = 5560012800.

The previous prime is 11556356083. The next prime is 11556356159. The reversal of 11556356104 is 40165365511.

It can be written as a sum of positive squares in 4 ways, for example, as 8800316100 + 2756040004 = 93810^2 + 52498^2 .

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, 217377 + ... + 265264.

Almost surely, 2^11556356104 is an apocalyptic number.

It is an amenable number.

11556356104 is a deficient number, since it is larger than the sum of its proper divisors (10944413936).

11556356104 is a wasteful number, since it uses less digits than its factorization.

11556356104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482761 (or 482757 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 11556356104 in words is "eleven billion, five hundred fifty-six million, three hundred fifty-six thousand, one hundred four".