25911380575 has 12 divisors (see below), whose sum is σ = 32327234248. Its totient is φ = 20601928800.

The previous prime is 25911380527. The next prime is 25911380609. The reversal of 25911380575 is 57508311952.

It is not a de Polignac number, because 25911380575 - 2³³ = 17321445983 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3175236 + ... + 3183385.

Almost surely, 2^25911380575 is an apocalyptic number.

25911380575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25911380575 is a deficient number, since it is larger than the sum of its proper divisors (6415853673).

25911380575 is a wasteful number, since it uses less digits than its factorization.

25911380575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358794 (or 6358789 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 25911380575 in words is "twenty-five billion, nine hundred eleven million, three hundred eighty thousand, five hundred seventy-five".