25363240151 has 4 divisors (see below), whose sum is σ = 26855195472. Its totient is φ = 23871284832.

The previous prime is 25363240139. The next prime is 25363240157. The reversal of 25363240151 is 15104236352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25363240151 - 2¹⁸ = 25362978007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25363240157) 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, 745977635 + ... + 745977668.

It is an arithmetic number, because the mean of its divisors is an integer number (6713798868).

Almost surely, 2^25363240151 is an apocalyptic number.

25363240151 is a deficient number, since it is larger than the sum of its proper divisors (1491955321).

25363240151 is a wasteful number, since it uses less digits than its factorization.

25363240151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491955320.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 25363240151 in words is "twenty-five billion, three hundred sixty-three million, two hundred forty thousand, one hundred fifty-one".