11308738772 has 12 divisors (see below), whose sum is σ = 19795458816. Its totient is φ = 5652893400.

The previous prime is 11308738769. The next prime is 11308738789. The reversal of 11308738772 is 27783780311.

It is a super-2 number, since 2×11308738772² (a number of 21 digits) contains 22 as substring.

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, 351668 + ... + 382475.

It is an arithmetic number, because the mean of its divisors is an integer number (1649621568).

Almost surely, 2^11308738772 is an apocalyptic number.

It is an amenable number.

11308738772 is a deficient number, since it is larger than the sum of its proper divisors (8486720044).

11308738772 is a wasteful number, since it uses less digits than its factorization.

11308738772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737998 (or 737996 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 11308738772 in words is "eleven billion, three hundred eight million, seven hundred thirty-eight thousand, seven hundred seventy-two".