12475156544 has 28 divisors (see below), whose sum is σ = 24760139964. Its totient is φ = 6236381184.

The previous prime is 12475156487. The next prime is 12475156549. The reversal of 12475156544 is 44565157421.

It can be written as a sum of positive squares in 2 ways, for example, as 8813454400 + 3661702144 = 93880^2 + 60512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12475156495 and 12475156504.

It is not an unprimeable number, because it can be changed into a prime (12475156549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384872 + ... + 416024.

It is an arithmetic number, because the mean of its divisors is an integer number (884290713).

Almost surely, 2^12475156544 is an apocalyptic number.

It is an amenable number.

12475156544 is a deficient number, since it is larger than the sum of its proper divisors (12284983420).

12475156544 is an equidigital number, since it uses as much as digits as its factorization.

12475156544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37422 (or 37412 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The spelling of 12475156544 in words is "twelve billion, four hundred seventy-five million, one hundred fifty-six thousand, five hundred forty-four".