11813490870120 has 48 divisors (see below), whose sum is σ = 38393845329060. Its totient is φ = 3150264231936.

The previous prime is 11813490869993. The next prime is 11813490870133. The reversal of 11813490870120 is 2107809431811.

It is a happy number.

11813490870120 is a `hidden beast` number, since 1 + 1 + 81 + 3 + 490 + 8 + 70 + 12 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9829466499204 + 1984024370916 = 3135198^2 + 1408554^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 16407625849 + ... + 16407626568.

Almost surely, 2^{11813490870120} is an apocalyptic number.

11813490870120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11813490870120 is an abundant number, since it is smaller than the sum of its proper divisors (26580354458940).

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

11813490870120 is a wasteful number, since it uses less digits than its factorization.

11813490870120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32815252434 (or 32815252427 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 11813490870120 in words is "eleven trillion, eight hundred thirteen billion, four hundred ninety million, eight hundred seventy thousand, one hundred twenty".