11999204600 has 24 divisors (see below), whose sum is σ = 27898151160. Its totient is φ = 4799681760.

The previous prime is 11999204597. The next prime is 11999204617. The reversal of 11999204600 is 640299911.

It is a happy number.

It is a super-2 number, since 2×11999204600² (a number of 21 digits) contains 22 as substring.

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, 29997812 + ... + 29998211.

It is an arithmetic number, because the mean of its divisors is an integer number (1162422965).

Almost surely, 2^11999204600 is an apocalyptic number.

11999204600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11999204600 is an abundant number, since it is smaller than the sum of its proper divisors (15898946560).

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

11999204600 is a wasteful number, since it uses less digits than its factorization.

11999204600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59996039 (or 59996030 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 11999204600 in words is "eleven billion, nine hundred ninety-nine million, two hundred four thousand, six hundred".