2525401165651 has 48 divisors (see below), whose sum is σ = 3197081727840. Its totient is φ = 1977135713280.

The previous prime is 2525401165619. The next prime is 2525401165691. The reversal of 2525401165651 is 1565611045252.

It is not a de Polignac number, because 2525401165651 - 2⁵ = 2525401165619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2525401165598 and 2525401165607.

It is not an unprimeable number, because it can be changed into a prime (2525401165601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24049780 + ... + 24154558.

It is an arithmetic number, because the mean of its divisors is an integer number (66605869330).

Almost surely, 2^{2525401165651} is an apocalyptic number.

2525401165651 is a deficient number, since it is larger than the sum of its proper divisors (671680562189).

2525401165651 is a wasteful number, since it uses less digits than its factorization.

2525401165651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105204 (or 105197 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 2525401165651 in words is "two trillion, five hundred twenty-five billion, four hundred one million, one hundred sixty-five thousand, six hundred fifty-one".