11899462992 has 80 divisors (see below), whose sum is σ = 31182670848. Its totient is φ = 3909628800.

The previous prime is 11899462973. The next prime is 11899462999. The reversal of 11899462992 is 29926499811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899462999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841367 + ... + 1847817.

Almost surely, 2^11899462992 is an apocalyptic number.

11899462992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11899462992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15591335424).

11899462992 is an abundant number, since it is smaller than the sum of its proper divisors (19283207856).

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

11899462992 is a wasteful number, since it uses less digits than its factorization.

11899462992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008 (or 7002 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 60.

The spelling of 11899462992 in words is "eleven billion, eight hundred ninety-nine million, four hundred sixty-two thousand, nine hundred ninety-two".