25010616640999 has 32 divisors (see below), whose sum is σ = 28094380920576. Its totient is φ = 22074361470720.

The previous prime is 25010616640949. The next prime is 25010616641053. The reversal of 25010616640999 is 99904661601052.

It is a cyclic number.

It is not a de Polignac number, because 25010616640999 - 2¹⁵ = 25010616608231 is a prime.

It is a super-2 number, since 2×25010616640999² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25010616640939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12562564 + ... + 14416630.

It is an arithmetic number, because the mean of its divisors is an integer number (877949403768).

Almost surely, 2^{25010616640999} is an apocalyptic number.

25010616640999 is a deficient number, since it is larger than the sum of its proper divisors (3083764279577).

25010616640999 is a wasteful number, since it uses less digits than its factorization.

25010616640999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854415.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 25010616640999 in words is "twenty-five trillion, ten billion, six hundred sixteen million, six hundred forty thousand, nine hundred ninety-nine".