12417157885 has 16 divisors (see below), whose sum is σ = 16261388352. Its totient is φ = 9027216000.

The previous prime is 12417157871. The next prime is 12417157891. The reversal of 12417157885 is 58875171421.

It is not a de Polignac number, because 12417157885 - 2¹⁹ = 12416633597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107185 + ... + 190585.

It is an arithmetic number, because the mean of its divisors is an integer number (1016336772).

Almost surely, 2^12417157885 is an apocalyptic number.

It is an amenable number.

12417157885 is a deficient number, since it is larger than the sum of its proper divisors (3844230467).

12417157885 is a wasteful number, since it uses less digits than its factorization.

12417157885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86124.

The product of its digits is 627200, while the sum is 49.

The spelling of 12417157885 in words is "twelve billion, four hundred seventeen million, one hundred fifty-seven thousand, eight hundred eighty-five".