1312153525155 has 16 divisors (see below), whose sum is σ = 2290304335104. Its totient is φ = 636195648480.

The previous prime is 1312153525103. The next prime is 1312153525157. The reversal of 1312153525155 is 5515253512131.

It is not a de Polignac number, because 1312153525155 - 2¹² = 1312153521059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312153525157) 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, 3976222639 + ... + 3976222968.

It is an arithmetic number, because the mean of its divisors is an integer number (143144020944).

Almost surely, 2^{1312153525155} is an apocalyptic number.

1312153525155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312153525155 is a deficient number, since it is larger than the sum of its proper divisors (978150809949).

1312153525155 is a wasteful number, since it uses less digits than its factorization.

1312153525155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952445626.

The product of its digits is 112500, while the sum is 39.

The spelling of 1312153525155 in words is "one trillion, three hundred twelve billion, one hundred fifty-three million, five hundred twenty-five thousand, one hundred fifty-five".