115212341502155 has 4 divisors (see below), whose sum is σ = 138254809802592. Its totient is φ = 92169873201720.

The previous prime is 115212341502119. The next prime is 115212341502173. The reversal of 115212341502155 is 551205143212511.

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

It is not a de Polignac number, because 115212341502155 - 2⁴⁴ = 97620155457739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11521234150211 + ... + 11521234150220.

It is an arithmetic number, because the mean of its divisors is an integer number (34563702450648).

Almost surely, 2^{115212341502155} is an apocalyptic number.

115212341502155 is a deficient number, since it is larger than the sum of its proper divisors (23042468300437).

115212341502155 is an equidigital number, since it uses as much as digits as its factorization.

115212341502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042468300436.

The product of its (nonzero) digits is 60000, while the sum is 38.

Adding to 115212341502155 its reverse (551205143212511), we get a palindrome (666417484714666).

The spelling of 115212341502155 in words is "one hundred fifteen trillion, two hundred twelve billion, three hundred forty-one million, five hundred two thousand, one hundred fifty-five".