25151151254 has 4 divisors (see below), whose sum is σ = 37726726884. Its totient is φ = 12575575626.

The previous prime is 25151151217. The next prime is 25151151271. The reversal of 25151151254 is 45215115152.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25151151254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6287787812 + ... + 6287787815.

It is an arithmetic number, because the mean of its divisors is an integer number (9431681721).

Almost surely, 2^25151151254 is an apocalyptic number.

25151151254 is a deficient number, since it is larger than the sum of its proper divisors (12575575630).

25151151254 is a wasteful number, since it uses less digits than its factorization.

25151151254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575575629.

The product of its digits is 10000, while the sum is 32.

The spelling of 25151151254 in words is "twenty-five billion, one hundred fifty-one million, one hundred fifty-one thousand, two hundred fifty-four".