11751551072 has 24 divisors (see below), whose sum is σ = 24353544600. Its totient is φ = 5566523904.

The previous prime is 11751551039. The next prime is 11751551101. The reversal of 11751551072 is 27015515711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9663497 + ... + 9664712.

It is an arithmetic number, because the mean of its divisors is an integer number (1014731025).

Almost surely, 2^11751551072 is an apocalyptic number.

It is an amenable number.

11751551072 is an abundant number, since it is smaller than the sum of its proper divisors (12601993528).

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

11751551072 is a wasteful number, since it uses less digits than its factorization.

11751551072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19328238 (or 19328230 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 35.

The spelling of 11751551072 in words is "eleven billion, seven hundred fifty-one million, five hundred fifty-one thousand, seventy-two".