11899614340 has 12 divisors (see below), whose sum is σ = 24989190156. Its totient is φ = 4759845728.

The previous prime is 11899614323. The next prime is 11899614379. The reversal of 11899614340 is 4341699811.

It can be written as a sum of positive squares in 2 ways, for example, as 8907961924 + 2991652416 = 94382^2 + 54696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297490339 + ... + 297490378.

It is an arithmetic number, because the mean of its divisors is an integer number (2082432513).

Almost surely, 2^11899614340 is an apocalyptic number.

11899614340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11899614340 is an abundant number, since it is smaller than the sum of its proper divisors (13089575816).

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

11899614340 is a wasteful number, since it uses less digits than its factorization.

11899614340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594980726 (or 594980724 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 11899614340 in words is "eleven billion, eight hundred ninety-nine million, six hundred fourteen thousand, three hundred forty".