25240263195 has 64 divisors (see below), whose sum is σ = 49712762880. Its totient is φ = 10676873088.

The previous prime is 25240263173. The next prime is 25240263247. The reversal of 25240263195 is 59136204252.

It is not a de Polignac number, because 25240263195 - 2⁶ = 25240263131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61329 + ... + 232898.

It is an arithmetic number, because the mean of its divisors is an integer number (776761920).

Almost surely, 2^25240263195 is an apocalyptic number.

25240263195 is a deficient number, since it is larger than the sum of its proper divisors (24472499685).

25240263195 is a wasteful number, since it uses less digits than its factorization.

25240263195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294304.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 25240263195 in words is "twenty-five billion, two hundred forty million, two hundred sixty-three thousand, one hundred ninety-five".