25061696485 has 16 divisors (see below), whose sum is σ = 34724664576. Its totient is φ = 17007994368.

The previous prime is 25061696461. The next prime is 25061696549. The reversal of 25061696485 is 58469616052.

It is a cyclic number.

It is not a de Polignac number, because 25061696485 - 2¹⁵ = 25061663717 is a prime.

It is a super-2 number, since 2×25061696485² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3687577 + ... + 3694366.

It is an arithmetic number, because the mean of its divisors is an integer number (2170291536).

Almost surely, 2^25061696485 is an apocalyptic number.

It is an amenable number.

25061696485 is a deficient number, since it is larger than the sum of its proper divisors (9662968091).

25061696485 is an equidigital number, since it uses as much as digits as its factorization.

25061696485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382052.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 25061696485 in words is "twenty-five billion, sixty-one million, six hundred ninety-six thousand, four hundred eighty-five".