12432797985157 has 8 divisors (see below), whose sum is σ = 13563629854272. Its totient is φ = 11302062367200.

The previous prime is 12432797985137. The next prime is 12432797985173. The reversal of 12432797985157 is 75158979723421.

12432797985157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12432797985157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432797985107) 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, 23792569 + ... + 24309502.

It is an arithmetic number, because the mean of its divisors is an integer number (1695453731784).

Almost surely, 2^{12432797985157} is an apocalyptic number.

It is an amenable number.

12432797985157 is a deficient number, since it is larger than the sum of its proper divisors (1130831869115).

12432797985157 is a wasteful number, since it uses less digits than its factorization.

12432797985157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48125579.

The product of its digits is 266716800, while the sum is 70.

The spelling of 12432797985157 in words is "twelve trillion, four hundred thirty-two billion, seven hundred ninety-seven million, nine hundred eighty-five thousand, one hundred fifty-seven".