158438370132512 has 54 divisors (see below), whose sum is σ = 312451973915319. Its totient is φ = 79085712928320.

The previous prime is 158438370132373. The next prime is 158438370132583. The reversal of 158438370132512 is 215231073834851.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 79219185066256 + 79219185066256 = 8900516^2 + 8900516^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8900516.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 52619849087 + ... + 52619852097.

Almost surely, 2^{158438370132512} is an apocalyptic number.

It is an amenable number.

158438370132512 is a deficient number, since it is larger than the sum of its proper divisors (154013603782807).

158438370132512 is an frugal number, since it uses more digits than its factorization.

158438370132512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510 (or 3752 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 158438370132512 in words is "one hundred fifty-eight trillion, four hundred thirty-eight billion, three hundred seventy million, one hundred thirty-two thousand, five hundred twelve".