11537415708 has 144 divisors (see below), whose sum is σ = 33495710976. Its totient is φ = 3026350080.

The previous prime is 11537415707. The next prime is 11537415761. The reversal of 11537415708 is 80751473511.

It is a super-2 number, since 2×11537415708² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 11537415708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11537415707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2737723 + ... + 2741933.

It is an arithmetic number, because the mean of its divisors is an integer number (232609104).

Almost surely, 2^11537415708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11537415708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16747855488).

11537415708 is an abundant number, since it is smaller than the sum of its proper divisors (21958295268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11537415708 is a wasteful number, since it uses less digits than its factorization.

11537415708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444 (or 4429 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 11537415708 in words is "eleven billion, five hundred thirty-seven million, four hundred fifteen thousand, seven hundred eight".