25052220151 has 6 divisors (see below), whose sum is σ = 29142378600. Its totient is φ = 21473331516.

The previous prime is 25052220131. The next prime is 25052220173. The reversal of 25052220151 is 15102225052.

It is not a de Polignac number, because 25052220151 - 2⁷ = 25052220023 is a prime.

It is a super-2 number, since 2×25052220151² (a number of 22 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 (25052220131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255634851 + ... + 255634948.

It is an arithmetic number, because the mean of its divisors is an integer number (4857063100).

Almost surely, 2^25052220151 is an apocalyptic number.

25052220151 is a deficient number, since it is larger than the sum of its proper divisors (4090158449).

25052220151 is an equidigital number, since it uses as much as digits as its factorization.

25052220151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511269813 (or 511269806 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 25052220151 in words is "twenty-five billion, fifty-two million, two hundred twenty thousand, one hundred fifty-one".