151801256057 has 4 divisors (see below), whose sum is σ = 165601370256. Its totient is φ = 138001141860.

The previous prime is 151801256027. The next prime is 151801256069. The reversal of 151801256057 is 750652108151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151801256057 - 2¹⁰ = 151801255033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151801256027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6900057083 + ... + 6900057104.

It is an arithmetic number, because the mean of its divisors is an integer number (41400342564).

Almost surely, 2^151801256057 is an apocalyptic number.

It is an amenable number.

151801256057 is a deficient number, since it is larger than the sum of its proper divisors (13800114199).

151801256057 is a wasteful number, since it uses less digits than its factorization.

151801256057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800114198.

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 151801256057 in words is "one hundred fifty-one billion, eight hundred one million, two hundred fifty-six thousand, fifty-seven".