25151215596 has 48 divisors (see below), whose sum is σ = 63257209344. Its totient is φ = 7731890496.

The previous prime is 25151215589. The next prime is 25151215597. The reversal of 25151215596 is 69551215152.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25151215597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103405 + ... + 246971.

It is an arithmetic number, because the mean of its divisors is an integer number (1317858528).

Almost surely, 2^25151215596 is an apocalyptic number.

25151215596 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25151215596 is an abundant number, since it is smaller than the sum of its proper divisors (38105993748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25151215596 is a wasteful number, since it uses less digits than its factorization.

25151215596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144710 (or 144708 counting only the distinct ones).

The product of its digits is 135000, while the sum is 42.

The spelling of 25151215596 in words is "twenty-five billion, one hundred fifty-one million, two hundred fifteen thousand, five hundred ninety-six".