200251255401 has 20 divisors (see below), whose sum is σ = 306436885524. Its totient is φ = 130244716800.

The previous prime is 200251255361. The next prime is 200251255417. The reversal of 200251255401 is 104552152002.

200251255401 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 5 + 1 + 255 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37216197225 + 163035058176 = 192915^2 + 403776^2 .

It is not a de Polignac number, because 200251255401 - 2⁷ = 200251255273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200251055401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30145920 + ... + 30152561.

Almost surely, 2^200251255401 is an apocalyptic number.

It is an amenable number.

200251255401 is a deficient number, since it is larger than the sum of its proper divisors (106185630123).

200251255401 is an equidigital number, since it uses as much as digits as its factorization.

200251255401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60298534 (or 60298525 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 200251255401 in words is "two hundred billion, two hundred fifty-one million, two hundred fifty-five thousand, four hundred one".