12952581155 has 4 divisors (see below), whose sum is σ = 15543097392. Its totient is φ = 10362064920.

The previous prime is 12952581139. The next prime is 12952581179. The reversal of 12952581155 is 55118525921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55118525921 = 563 ⋅97901467.

It is not a de Polignac number, because 12952581155 - 2⁴ = 12952581139 is a prime.

It is a super-2 number, since 2×12952581155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295258111 + ... + 1295258120.

It is an arithmetic number, because the mean of its divisors is an integer number (3885774348).

Almost surely, 2^12952581155 is an apocalyptic number.

12952581155 is a deficient number, since it is larger than the sum of its proper divisors (2590516237).

12952581155 is an equidigital number, since it uses as much as digits as its factorization.

12952581155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590516236.

The product of its digits is 180000, while the sum is 44.

The spelling of 12952581155 in words is "twelve billion, nine hundred fifty-two million, five hundred eighty-one thousand, one hundred fifty-five".