12415261488 has 80 divisors (see below), whose sum is σ = 36674676480. Its totient is φ = 3545273088.

The previous prime is 12415261487. The next prime is 12415261489. The reversal of 12415261488 is 88416251421.

It is an interprime number because it is at equal distance from previous prime (12415261487) and next prime (12415261489).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12415261487) 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, 671958 + ... + 690186.

It is an arithmetic number, because the mean of its divisors is an integer number (458433456).

Almost surely, 2^12415261488 is an apocalyptic number.

It is an amenable number.

12415261488 is an abundant number, since it is smaller than the sum of its proper divisors (24259414992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12415261488 is a wasteful number, since it uses less digits than its factorization.

12415261488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20274 (or 20268 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The spelling of 12415261488 in words is "twelve billion, four hundred fifteen million, two hundred sixty-one thousand, four hundred eighty-eight".