115533669977 has 32 divisors (see below), whose sum is σ = 132362864640. Its totient is φ = 99892370880.

The previous prime is 115533669971. The next prime is 115533670027. The reversal of 115533669977 is 779966335511.

It is a cyclic number.

It is not a de Polignac number, because 115533669977 - 2¹⁴ = 115533653593 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (115533669971) 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, 17346674 + ... + 17353332.

It is an arithmetic number, because the mean of its divisors is an integer number (4136339520).

Almost surely, 2^115533669977 is an apocalyptic number.

It is an amenable number.

115533669977 is a deficient number, since it is larger than the sum of its proper divisors (16829194663).

115533669977 is a wasteful number, since it uses less digits than its factorization.

With its successor (115533669978) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (7661).

115533669977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661.

The product of its digits is 32148900, while the sum is 62.

The spelling of 115533669977 in words is "one hundred fifteen billion, five hundred thirty-three million, six hundred sixty-nine thousand, nine hundred seventy-seven".