63525126094521 has 128 divisors (see below), whose sum is σ = 107114279731200. Its totient is φ = 32595187104000.

The previous prime is 63525126094513. The next prime is 63525126094571. The reversal of 63525126094521 is 12549062152536.

It is not a de Polignac number, because 63525126094521 - 2³ = 63525126094513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63525126094571) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1542637710 + ... + 1542678888.

It is an arithmetic number, because the mean of its divisors is an integer number (836830310400).

Almost surely, 2^{63525126094521} is an apocalyptic number.

It is an amenable number.

63525126094521 is a deficient number, since it is larger than the sum of its proper divisors (43589153636679).

63525126094521 is a wasteful number, since it uses less digits than its factorization.

63525126094521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41979.

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 63525126094521 in words is "sixty-three trillion, five hundred twenty-five billion, one hundred twenty-six million, ninety-four thousand, five hundred twenty-one".