11736945396987 has 16 divisors (see below), whose sum is σ = 15655496032800. Its totient is φ = 7821512883200.

The previous prime is 11736945396977. The next prime is 11736945397007. The reversal of 11736945396987 is 78969354963711.

It is a cyclic number.

It is not a de Polignac number, because 11736945396987 - 2¹⁸ = 11736945134843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11736945396977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164004889 + ... + 164076437.

It is an arithmetic number, because the mean of its divisors is an integer number (978468502050).

Almost surely, 2^{11736945396987} is an apocalyptic number.

11736945396987 is a deficient number, since it is larger than the sum of its proper divisors (3918550635813).

11736945396987 is a wasteful number, since it uses less digits than its factorization.

11736945396987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92574.

The product of its digits is 1851776640, while the sum is 78.

The spelling of 11736945396987 in words is "eleven trillion, seven hundred thirty-six billion, nine hundred forty-five million, three hundred ninety-six thousand, nine hundred eighty-seven".