5191136970912 has 72 divisors (see below), whose sum is σ = 15309047478816. Its totient is φ = 1730378987712.

The previous prime is 5191136970907. The next prime is 5191136970983. The reversal of 5191136970912 is 2190796311915.

5191136970912 is a `hidden beast` number, since 5 + 191 + 1 + 369 + 7 + 0 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×5191136970912² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 333784468 + ... + 333800019.

It is an arithmetic number, because the mean of its divisors is an integer number (212625659428).

Almost surely, 2^{5191136970912} is an apocalyptic number.

It is an amenable number.

5191136970912 is an abundant number, since it is smaller than the sum of its proper divisors (10117910507904).

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

5191136970912 is an equidigital number, since it uses as much as digits as its factorization.

5191136970912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667584512 (or 667584492 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 54.

The spelling of 5191136970912 in words is "five trillion, one hundred ninety-one billion, one hundred thirty-six million, nine hundred seventy thousand, nine hundred twelve".