115377920587 has 2 divisors, whose sum is σ = 115377920588. Its totient is φ = 115377920586.

The previous prime is 115377920569. The next prime is 115377920599. The reversal of 115377920587 is 785029773511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115377920587 is a prime.

It is not a weakly prime, because it can be changed into another prime (115377920557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57688960293 + 57688960294.

It is an arithmetic number, because the mean of its divisors is an integer number (57688960294).

Almost surely, 2^115377920587 is an apocalyptic number.

115377920587 is a deficient number, since it is larger than the sum of its proper divisors (1).

115377920587 is an equidigital number, since it uses as much as digits as its factorization.

115377920587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3704400, while the sum is 55.

The spelling of 115377920587 in words is "one hundred fifteen billion, three hundred seventy-seven million, nine hundred twenty thousand, five hundred eighty-seven".