7911307987136 has 56 divisors (see below), whose sum is σ = 16272664594560. Its totient is φ = 3812167987200.

The previous prime is 7911307987123. The next prime is 7911307987147. The reversal of 7911307987136 is 6317897031197.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7794791 + ... + 8751078.

Almost surely, 2^{7911307987136} is an apocalyptic number.

It is an amenable number.

7911307987136 is an abundant number, since it is smaller than the sum of its proper divisors (8361356607424).

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

7911307987136 is a wasteful number, since it uses less digits than its factorization.

7911307987136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16546153 (or 16546143 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 7911307987136 in words is "seven trillion, nine hundred eleven billion, three hundred seven million, nine hundred eighty-seven thousand, one hundred thirty-six".