11537434500 has 48 divisors (see below), whose sum is σ = 33597013632. Its totient is φ = 3076648800.

The previous prime is 11537434499. The next prime is 11537434511. The reversal of 11537434500 is 543473511.

It is a super-2 number, since 2×11537434500² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844312 + ... + 3847311.

It is an arithmetic number, because the mean of its divisors is an integer number (699937784).

Almost surely, 2^11537434500 is an apocalyptic number.

11537434500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11537434500 is an abundant number, since it is smaller than the sum of its proper divisors (22059579132).

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

11537434500 is a wasteful number, since it uses less digits than its factorization.

11537434500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691645 (or 7691633 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 11537434500 in words is "eleven billion, five hundred thirty-seven million, four hundred thirty-four thousand, five hundred".