12495556157 has 8 divisors (see below), whose sum is σ = 14376480000. Its totient is φ = 10638593424.

The previous prime is 12495556111. The next prime is 12495556211. The reversal of 12495556157 is 75165559421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12495556157 - 2⁸ = 12495555901 is a prime.

It is a super-2 number, since 2×12495556157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12495555157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5989157 + ... + 5991242.

It is an arithmetic number, because the mean of its divisors is an integer number (1797060000).

Almost surely, 2^12495556157 is an apocalyptic number.

It is an amenable number.

12495556157 is a deficient number, since it is larger than the sum of its proper divisors (1880923843).

12495556157 is a wasteful number, since it uses less digits than its factorization.

12495556157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980555.

The product of its digits is 1890000, while the sum is 50.

The spelling of 12495556157 in words is "twelve billion, four hundred ninety-five million, five hundred fifty-six thousand, one hundred fifty-seven".