25255891515094 has 8 divisors (see below), whose sum is σ = 37883977383240. Its totient is φ = 12627899054016.

The previous prime is 25255891515091. The next prime is 25255891515109. The reversal of 25255891515094 is 49051519855252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25255891515091) 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, 22671844 + ... + 23759719.

It is an arithmetic number, because the mean of its divisors is an integer number (4735497172905).

Almost surely, 2^{25255891515094} is an apocalyptic number.

25255891515094 is a deficient number, since it is larger than the sum of its proper divisors (12628085868146).

25255891515094 is a wasteful number, since it uses less digits than its factorization.

25255891515094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46703534.

The product of its (nonzero) digits is 32400000, while the sum is 61.

The spelling of 25255891515094 in words is "twenty-five trillion, two hundred fifty-five billion, eight hundred ninety-one million, five hundred fifteen thousand, ninety-four".