25154796965 has 8 divisors (see below), whose sum is σ = 30610908288. Its totient is φ = 19840402960.

The previous prime is 25154796941. The next prime is 25154797001. The reversal of 25154796965 is 56969745152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25154796965 - 2¹⁶ = 25154731429 is a prime.

It is a super-2 number, since 2×25154796965² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 35428937 + ... + 35429646.

It is an arithmetic number, because the mean of its divisors is an integer number (3826363536).

Almost surely, 2^25154796965 is an apocalyptic number.

It is an amenable number.

25154796965 is a deficient number, since it is larger than the sum of its proper divisors (5456111323).

25154796965 is an equidigital number, since it uses as much as digits as its factorization.

25154796965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70858659.

The product of its digits is 20412000, while the sum is 59.

The spelling of 25154796965 in words is "twenty-five billion, one hundred fifty-four million, seven hundred ninety-six thousand, nine hundred sixty-five".