115402566255401 has 4 divisors (see below), whose sum is σ = 118521554532612. Its totient is φ = 112283577978192.

The previous prime is 115402566255377. The next prime is 115402566255421. The reversal of 115402566255401 is 104552665204511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102456422549776 + 12946143705625 = 10122076^2 + 3598075^2 .

It is a cyclic number.

It is not a de Polignac number, because 115402566255401 - 2¹⁰ = 115402566254377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115402566255421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559494138550 + ... + 1559494138623.

It is an arithmetic number, because the mean of its divisors is an integer number (29630388633153).

Almost surely, 2^{115402566255401} is an apocalyptic number.

It is an amenable number.

115402566255401 is a deficient number, since it is larger than the sum of its proper divisors (3118988277211).

115402566255401 is an equidigital number, since it uses as much as digits as its factorization.

115402566255401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118988277210.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 115402566255401 in words is "one hundred fifteen trillion, four hundred two billion, five hundred sixty-six million, two hundred fifty-five thousand, four hundred one".