11537820574 has 12 divisors (see below), whose sum is σ = 20132319744. Its totient is φ = 4944780204.

The previous prime is 11537820551. The next prime is 11537820589. The reversal of 11537820574 is 47502873511.

It is a self number, because there is not a number n which added to its sum of digits gives 11537820574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58866334 + ... + 58866529.

It is an arithmetic number, because the mean of its divisors is an integer number (1677693312).

Almost surely, 2^11537820574 is an apocalyptic number.

11537820574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11537820574 is a deficient number, since it is larger than the sum of its proper divisors (8594499170).

11537820574 is a wasteful number, since it uses less digits than its factorization.

11537820574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117732879 (or 117732872 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 11537820574 in words is "eleven billion, five hundred thirty-seven million, eight hundred twenty thousand, five hundred seventy-four".