11508856734 has 16 divisors (see below), whose sum is σ = 23639814288. Its totient is φ = 3732602112.

The previous prime is 11508856717. The next prime is 11508856747. The reversal of 11508856734 is 43765880511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25920627 + ... + 25921070.

It is an arithmetic number, because the mean of its divisors is an integer number (1477488393).

Almost surely, 2^11508856734 is an apocalyptic number.

11508856734 is an abundant number, since it is smaller than the sum of its proper divisors (12130957554).

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

11508856734 is a wasteful number, since it uses less digits than its factorization.

11508856734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51841739.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 11508856734 in words is "eleven billion, five hundred eight million, eight hundred fifty-six thousand, seven hundred thirty-four".