11977560342 has 48 divisors (see below), whose sum is σ = 29256499440. Its totient is φ = 3629561760.

The previous prime is 11977560311. The next prime is 11977560349. The reversal of 11977560342 is 24306577911.

11977560342 is a `hidden beast` number, since 1 + 19 + 77 + 560 + 3 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977560349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 910023 + ... + 923090.

It is an arithmetic number, because the mean of its divisors is an integer number (609510405).

Almost surely, 2^11977560342 is an apocalyptic number.

11977560342 is an abundant number, since it is smaller than the sum of its proper divisors (17278939098).

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

11977560342 is a wasteful number, since it uses less digits than its factorization.

11977560342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833146 (or 1833129 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 11977560342 in words is "eleven billion, nine hundred seventy-seven million, five hundred sixty thousand, three hundred forty-two".