25052243051 has 32 divisors (see below), whose sum is σ = 28152368640. Its totient is φ = 22285237920.

The previous prime is 25052242993. The next prime is 25052243143. The reversal of 25052243051 is 15034225052.

It is a de Polignac number, because none of the positive numbers 2^k-25052243051 is a prime.

It is a super-2 number, since 2×25052243051² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25052243351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20652521 + ... + 20653733.

It is an arithmetic number, because the mean of its divisors is an integer number (879761520).

Almost surely, 2^25052243051 is an apocalyptic number.

25052243051 is a deficient number, since it is larger than the sum of its proper divisors (3100125589).

25052243051 is a wasteful number, since it uses less digits than its factorization.

25052243051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 25052243051 in words is "twenty-five billion, fifty-two million, two hundred forty-three thousand, fifty-one".