115231311223051 has 16 divisors (see below), whose sum is σ = 115663118932800. Its totient is φ = 114800365093248.

The previous prime is 115231311222991. The next prime is 115231311223129. The reversal of 115231311223051 is 150322113132511.

It is not a de Polignac number, because 115231311223051 - 2⁹ = 115231311222539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115231311223151) 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, 2473335465 + ... + 2473382053.

It is an arithmetic number, because the mean of its divisors is an integer number (7228944933300).

Almost surely, 2^{115231311223051} is an apocalyptic number.

115231311223051 is a deficient number, since it is larger than the sum of its proper divisors (431807709749).

115231311223051 is an equidigital number, since it uses as much as digits as its factorization.

115231311223051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55638.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 115231311223051 its reverse (150322113132511), we get a palindrome (265553424355562).

The spelling of 115231311223051 in words is "one hundred fifteen trillion, two hundred thirty-one billion, three hundred eleven million, two hundred twenty-three thousand, fifty-one".