11957693874559 has 32 divisors (see below), whose sum is σ = 12819657082752. Its totient is φ = 11113966080000.

The previous prime is 11957693874557. The next prime is 11957693874563. The reversal of 11957693874559 is 95547839675911.

It is a cyclic number.

It is not a de Polignac number, because 11957693874559 - 2¹ = 11957693874557 is a prime.

It is a super-3 number, since 3×11957693874559³ (a number of 40 digits) contains 333 as substring.

Its product of digits (2571912000) is a multiple of the sum of its prime divisors (11907).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11957693874557) 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, 1188514389 + ... + 1188524449.

It is an arithmetic number, because the mean of its divisors is an integer number (400614283836).

Almost surely, 2^{11957693874559} is an apocalyptic number.

11957693874559 is a deficient number, since it is larger than the sum of its proper divisors (861963208193).

11957693874559 is a wasteful number, since it uses less digits than its factorization.

11957693874559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11907.

The product of its digits is 2571912000, while the sum is 79.

The spelling of 11957693874559 in words is "eleven trillion, nine hundred fifty-seven billion, six hundred ninety-three million, eight hundred seventy-four thousand, five hundred fifty-nine".