250113042251 has 4 divisors (see below), whose sum is σ = 263276886600. Its totient is φ = 236949197904.

The previous prime is 250113042247. The next prime is 250113042269. The reversal of 250113042251 is 152240311052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 250113042251 - 2² = 250113042247 is a prime.

It is a super-2 number, since 2×250113042251² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250113042251.

It is not an unprimeable number, because it can be changed into a prime (250113042241) 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, 6581922146 + ... + 6581922183.

It is an arithmetic number, because the mean of its divisors is an integer number (65819221650).

Almost surely, 2^250113042251 is an apocalyptic number.

250113042251 is a deficient number, since it is larger than the sum of its proper divisors (13163844349).

250113042251 is a wasteful number, since it uses less digits than its factorization.

250113042251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13163844348.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 250113042251 in words is "two hundred fifty billion, one hundred thirteen million, forty-two thousand, two hundred fifty-one".