11325639492 has 18 divisors (see below), whose sum is σ = 28628699918. Its totient is φ = 3775213152.

The previous prime is 11325639473. The next prime is 11325639539. The reversal of 11325639492 is 29493652311.

11325639492 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 5 + 639 + 4 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8603304516 + 2722334976 = 92754^2 + 52176^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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, 157300513 + ... + 157300584.

Almost surely, 2^11325639492 is an apocalyptic number.

11325639492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11325639492 is an abundant number, since it is smaller than the sum of its proper divisors (17303060426).

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

11325639492 is a wasteful number, since it uses less digits than its factorization.

11325639492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314601107 (or 314601102 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 11325639492 in words is "eleven billion, three hundred twenty-five million, six hundred thirty-nine thousand, four hundred ninety-two".