11537444764 has 12 divisors (see below), whose sum is σ = 20191918824. Its totient is φ = 5768325104.

The previous prime is 11537444741. The next prime is 11537444771. The reversal of 11537444764 is 46744473511.

It is a super-2 number, since 2×11537444764² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 28342 + ... + 154525.

It is an arithmetic number, because the mean of its divisors is an integer number (1682659902).

Almost surely, 2^11537444764 is an apocalyptic number.

It is an amenable number.

11537444764 is a deficient number, since it is larger than the sum of its proper divisors (8654474060).

11537444764 is a wasteful number, since it uses less digits than its factorization.

11537444764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198644 (or 198642 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The spelling of 11537444764 in words is "eleven billion, five hundred thirty-seven million, four hundred forty-four thousand, seven hundred sixty-four".