11131537004 has 24 divisors (see below), whose sum is σ = 22265675040. Its totient is φ = 4770101376.

The previous prime is 11131536991. The next prime is 11131537007. The reversal of 11131537004 is 40073513111.

It is a super-2 number, since 2×11131537004² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131537007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299312 + ... + 334440.

It is an arithmetic number, because the mean of its divisors is an integer number (927736460).

Almost surely, 2^11131537004 is an apocalyptic number.

11131537004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11131537004 is an abundant number, since it is smaller than the sum of its proper divisors (11134138036).

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

11131537004 is a wasteful number, since it uses less digits than its factorization.

11131537004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46457 (or 46455 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 11131537004 in words is "eleven billion, one hundred thirty-one million, five hundred thirty-seven thousand, four".