11726765072 has 40 divisors (see below), whose sum is σ = 24938240160. Its totient is φ = 5297633280.

The previous prime is 11726765051. The next prime is 11726765137. The reversal of 11726765072 is 27056762711.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 175697 + ... + 233072.

It is an arithmetic number, because the mean of its divisors is an integer number (623456004).

Almost surely, 2^11726765072 is an apocalyptic number.

It is an amenable number.

11726765072 is an abundant number, since it is smaller than the sum of its proper divisors (13211475088).

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

11726765072 is a wasteful number, since it uses less digits than its factorization.

11726765072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408951 (or 408945 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 11726765072 in words is "eleven billion, seven hundred twenty-six million, seven hundred sixty-five thousand, seventy-two".