25245332425455 has 32 divisors (see below), whose sum is σ = 41385981309120. Its totient is φ = 13133158686720.

The previous prime is 25245332425447. The next prime is 25245332425477. The reversal of 25245332425455 is 55452423354252.

It is not a de Polignac number, because 25245332425455 - 2³ = 25245332425447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25245332425398 and 25245332425407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017022 + ... + 7178091.

It is an arithmetic number, because the mean of its divisors is an integer number (1293311915910).

Almost surely, 2^{25245332425455} is an apocalyptic number.

25245332425455 is a deficient number, since it is larger than the sum of its proper divisors (16140648883665).

25245332425455 is a wasteful number, since it uses less digits than its factorization.

25245332425455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200171.

The product of its digits is 28800000, while the sum is 51.

The spelling of 25245332425455 in words is "twenty-five trillion, two hundred forty-five billion, three hundred thirty-two million, four hundred twenty-five thousand, four hundred fifty-five".