25132219915 has 16 divisors (see below), whose sum is σ = 32904345600. Its totient is φ = 18275764320.

The previous prime is 25132219891. The next prime is 25132219921. The reversal of 25132219915 is 51991223152.

It is a happy number.

It is not a de Polignac number, because 25132219915 - 2⁵ = 25132219883 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532822 + ... + 578068.

It is an arithmetic number, because the mean of its divisors is an integer number (2056521600).

Almost surely, 2^25132219915 is an apocalyptic number.

25132219915 is a deficient number, since it is larger than the sum of its proper divisors (7772125685).

25132219915 is a wasteful number, since it uses less digits than its factorization.

25132219915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55362.

The product of its digits is 48600, while the sum is 40.

The spelling of 25132219915 in words is "twenty-five billion, one hundred thirty-two million, two hundred nineteen thousand, nine hundred fifteen".