11937965445 has 48 divisors (see below), whose sum is σ = 23658066432. Its totient is φ = 5455157760.

The previous prime is 11937965387. The next prime is 11937965483. The reversal of 11937965445 is 54456973911.

11937965445 is a `hidden beast` number, since 1 + 1 + 9 + 3 + 7 + 96 + 544 + 5 = 666.

It is not a de Polignac number, because 11937965445 - 2³⁰ = 10864223621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11937965391 and 11937965400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 977044 + ... + 989186.

It is an arithmetic number, because the mean of its divisors is an integer number (492876384).

Almost surely, 2^11937965445 is an apocalyptic number.

11937965445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11937965445 is a deficient number, since it is larger than the sum of its proper divisors (11720100987).

11937965445 is a wasteful number, since it uses less digits than its factorization.

11937965445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15282 (or 15279 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 11937965445 in words is "eleven billion, nine hundred thirty-seven million, nine hundred sixty-five thousand, four hundred forty-five".