2551251230501 has 4 divisors (see below), whose sum is σ = 2551275425952. Its totient is φ = 2551227035052.

The previous prime is 2551251230477. The next prime is 2551251230509. The reversal of 2551251230501 is 1050321521552.

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 2551251230501 - 2²² = 2551247036197 is a prime.

It is a super-2 number, since 2×2551251230501² (a number of 26 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 (2551251230509) 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, 11938865 + ... + 12150678.

It is an arithmetic number, because the mean of its divisors is an integer number (637818856488).

Almost surely, 2^{2551251230501} is an apocalyptic number.

It is an amenable number.

2551251230501 is a deficient number, since it is larger than the sum of its proper divisors (24195451).

2551251230501 is a wasteful number, since it uses less digits than its factorization.

2551251230501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24195450.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 2551251230501 in words is "two trillion, five hundred fifty-one billion, two hundred fifty-one million, two hundred thirty thousand, five hundred one".