25341200665 has 16 divisors (see below), whose sum is σ = 33983058816. Its totient is φ = 17980451200.

The previous prime is 25341200663. The next prime is 25341200681. The reversal of 25341200665 is 56600214352.

It is not a de Polignac number, because 25341200665 - 2¹ = 25341200663 is a prime.

It is a super-2 number, since 2×25341200665² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25341200665.

It is not an unprimeable number, because it can be changed into a prime (25341200663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5616637 + ... + 5621146.

It is an arithmetic number, because the mean of its divisors is an integer number (2123941176).

Almost surely, 2^25341200665 is an apocalyptic number.

It is an amenable number.

25341200665 is a deficient number, since it is larger than the sum of its proper divisors (8641858151).

25341200665 is a wasteful number, since it uses less digits than its factorization.

25341200665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237840.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 25341200665 in words is "twenty-five billion, three hundred forty-one million, two hundred thousand, six hundred sixty-five".