11331862772 has 12 divisors (see below), whose sum is σ = 19858345920. Its totient is φ = 5658049656.

The previous prime is 11331862769. The next prime is 11331862783. The reversal of 11331862772 is 27726813311.

It is a super-2 number, since 2×11331862772² (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, 1967198 + ... + 1972949.

It is an arithmetic number, because the mean of its divisors is an integer number (1654862160).

Almost surely, 2^11331862772 is an apocalyptic number.

It is an amenable number.

11331862772 is a deficient number, since it is larger than the sum of its proper divisors (8526483148).

11331862772 is a wasteful number, since it uses less digits than its factorization.

11331862772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940870 (or 3940868 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The spelling of 11331862772 in words is "eleven billion, three hundred thirty-one million, eight hundred sixty-two thousand, seven hundred seventy-two".