25052805051 has 8 divisors (see below), whose sum is σ = 33728048640. Its totient is φ = 16539715752.

The previous prime is 25052805047. The next prime is 25052805061. The reversal of 25052805051 is 15050825052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25052805051 - 2² = 25052805047 is a prime.

It is a super-2 number, since 2×25052805051² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25052805061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40538211 + ... + 40538828.

It is an arithmetic number, because the mean of its divisors is an integer number (4216006080).

Almost surely, 2^25052805051 is an apocalyptic number.

25052805051 is a deficient number, since it is larger than the sum of its proper divisors (8675243589).

25052805051 is a wasteful number, since it uses less digits than its factorization.

25052805051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81077145.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 25052805051 in words is "twenty-five billion, fifty-two million, eight hundred five thousand, fifty-one".