11620631044512 has 288 divisors, whose sum is σ = 40329671316480. Its totient is φ = 3102281441280.

The previous prime is 11620631044469. The next prime is 11620631044591. The reversal of 11620631044512 is 21544013602611.

11620631044512 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 0 + 631 + 0 + 4 + 4 + 5 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×11620631044512² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1393513 + ... + 5018280.

It is an arithmetic number, because the mean of its divisors is an integer number (140033580960).

Almost surely, 2^{11620631044512} is an apocalyptic number.

11620631044512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11620631044512 is an abundant number, since it is smaller than the sum of its proper divisors (28709040271968).

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

11620631044512 is a wasteful number, since it uses less digits than its factorization.

11620631044512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411876 (or 6411865 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11620631044512 in words is "eleven trillion, six hundred twenty billion, six hundred thirty-one million, forty-four thousand, five hundred twelve".