11994715400 has 48 divisors (see below), whose sum is σ = 27920804100. Its totient is φ = 4792193280.

The previous prime is 11994715373. The next prime is 11994715427. The reversal of 11994715400 is 451749911.

It is an interprime number because it is at equal distance from previous prime (11994715373) and next prime (11994715427).

It can be written as a sum of positive squares in 6 ways, for example, as 411359524 + 11583355876 = 20282^2 + 107626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135446 + ... + 205754.

Almost surely, 2^11994715400 is an apocalyptic number.

11994715400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11994715400 is an abundant number, since it is smaller than the sum of its proper divisors (15926088700).

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

11994715400 is a wasteful number, since it uses less digits than its factorization.

11994715400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71178 (or 71169 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 11994715400 in words is "eleven billion, nine hundred ninety-four million, seven hundred fifteen thousand, four hundred".