12455015253633 has 12 divisors (see below), whose sum is σ = 17990692971108. Its totient is φ = 8303290248960.

The previous prime is 12455015253617. The next prime is 12455015253677. The reversal of 12455015253633 is 33635251055421.

12455015253633 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 5 + 0 + 1 + 5 + 2 + 5 + 3 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6486536609424 + 5968478644209 = 2546868^2 + 2443047^2 .

It is not a de Polignac number, because 12455015253633 - 2⁴ = 12455015253617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12455015253133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2929560 + ... + 5787257.

It is an arithmetic number, because the mean of its divisors is an integer number (1499224414259).

Almost surely, 2^{12455015253633} is an apocalyptic number.

It is an amenable number.

12455015253633 is a deficient number, since it is larger than the sum of its proper divisors (5535677717475).

12455015253633 is a wasteful number, since it uses less digits than its factorization.

12455015253633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875584 (or 8875581 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 12455015253633 in words is "twelve trillion, four hundred fifty-five billion, fifteen million, two hundred fifty-three thousand, six hundred thirty-three".