11780356137 has 32 divisors (see below), whose sum is σ = 17518201344. Its totient is φ = 6981532800.

The previous prime is 11780356069. The next prime is 11780356151. The reversal of 11780356137 is 73165308711.

It is not a de Polignac number, because 11780356137 - 2²⁴ = 11763578921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11780356337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283462 + ... + 322352.

It is an arithmetic number, because the mean of its divisors is an integer number (547443792).

Almost surely, 2^11780356137 is an apocalyptic number.

It is an amenable number.

11780356137 is a deficient number, since it is larger than the sum of its proper divisors (5737845207).

11780356137 is a wasteful number, since it uses less digits than its factorization.

11780356137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39109.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 11780356137 in words is "eleven billion, seven hundred eighty million, three hundred fifty-six thousand, one hundred thirty-seven".