115031100356665 has 16 divisors (see below), whose sum is σ = 141907301793936. Its totient is φ = 89460867865600.

The previous prime is 115031100356663. The next prime is 115031100356743. The reversal of 115031100356665 is 566653001130511.

It can be written as a sum of positive squares in 8 ways, for example, as 26526506851321 + 88504593505344 = 5150389^2 + 9407688^2 .

It is not a de Polignac number, because 115031100356665 - 2¹ = 115031100356663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115031100356663) 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, 998389582 + ... + 998504791.

It is an arithmetic number, because the mean of its divisors is an integer number (8869206362121).

Almost surely, 2^{115031100356665} is an apocalyptic number.

It is an amenable number.

115031100356665 is a deficient number, since it is larger than the sum of its proper divisors (26876201437271).

115031100356665 is a wasteful number, since it uses less digits than its factorization.

115031100356665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996894700.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 115031100356665 in words is "one hundred fifteen trillion, thirty-one billion, one hundred million, three hundred fifty-six thousand, six hundred sixty-five".