725263536626651 has 16 divisors (see below), whose sum is σ = 825617854867968. Its totient is φ = 630647583984000.

The previous prime is 725263536626593. The next prime is 725263536626659. The reversal of 725263536626651 is 156626635362527.

It is not a de Polignac number, because 725263536626651 - 2²⁶ = 725263469517787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725263536626659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27407150 + ... + 46922051.

It is an arithmetic number, because the mean of its divisors is an integer number (51601115929248).

Almost surely, 2^{725263536626651} is an apocalyptic number.

725263536626651 is a deficient number, since it is larger than the sum of its proper divisors (100354318241317).

725263536626651 is a wasteful number, since it uses less digits than its factorization.

725263536626651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74367802.

The product of its digits is 489888000, while the sum is 65.

The spelling of 725263536626651 in words is "seven hundred twenty-five trillion, two hundred sixty-three billion, five hundred thirty-six million, six hundred twenty-six thousand, six hundred fifty-one".