115861576973 has 2 divisors, whose sum is σ = 115861576974. Its totient is φ = 115861576972.

The previous prime is 115861576969. The next prime is 115861577009. The reversal of 115861576973 is 379675168511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88092020809 + 27769556164 = 296803^2 + 166642^2 .

It is a cyclic number.

It is not a de Polignac number, because 115861576973 - 2² = 115861576969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115861576903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57930788486 + 57930788487.

It is an arithmetic number, because the mean of its divisors is an integer number (57930788487).

Almost surely, 2^115861576973 is an apocalyptic number.

It is an amenable number.

115861576973 is a deficient number, since it is larger than the sum of its proper divisors (1).

115861576973 is an equidigital number, since it uses as much as digits as its factorization.

115861576973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 59.

The spelling of 115861576973 in words is "one hundred fifteen billion, eight hundred sixty-one million, five hundred seventy-six thousand, nine hundred seventy-three".