11891306797132 has 24 divisors (see below), whose sum is σ = 23782746332576. Its totient is φ = 5096245897728.

The previous prime is 11891306797127. The next prime is 11891306797169. The reversal of 11891306797132 is 23179760319811.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4379548 + ... + 6554620.

Almost surely, 2^{11891306797132} is an apocalyptic number.

It is an amenable number.

11891306797132 is an abundant number, since it is smaller than the sum of its proper divisors (11891439535444).

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

11891306797132 is a wasteful number, since it uses less digits than its factorization.

11891306797132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370337 (or 2370335 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 58.

The spelling of 11891306797132 in words is "eleven trillion, eight hundred ninety-one billion, three hundred six million, seven hundred ninety-seven thousand, one hundred thirty-two".