12355125126465 has 16 divisors (see below), whose sum is σ = 21565309311936. Its totient is φ = 5990363697600.

The previous prime is 12355125126451. The next prime is 12355125126467. The reversal of 12355125126465 is 56462152155321.

It is not a de Polignac number, because 12355125126465 - 2⁹ = 12355125125953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12355125126467) 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, 37439772946 + ... + 37439773275.

It is an arithmetic number, because the mean of its divisors is an integer number (1347831831996).

Almost surely, 2^{12355125126465} is an apocalyptic number.

12355125126465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12355125126465 is a deficient number, since it is larger than the sum of its proper divisors (9210184185471).

12355125126465 is a wasteful number, since it uses less digits than its factorization.

12355125126465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74879546240.

The product of its digits is 2160000, while the sum is 48.

The spelling of 12355125126465 in words is "twelve trillion, three hundred fifty-five billion, one hundred twenty-five million, one hundred twenty-six thousand, four hundred sixty-five".