63041811525 has 72 divisors (see below), whose sum is σ = 140777043264. Its totient is φ = 26199187200.

The previous prime is 63041811523. The next prime is 63041811583. The reversal of 63041811525 is 52511814036.

63041811525 is a `hidden beast` number, since 630 + 4 + 1 + 8 + 1 + 15 + 2 + 5 = 666.

It is not a de Polignac number, because 63041811525 - 2¹ = 63041811523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63041811525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63041811523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1802064 + ... + 1836713.

It is an arithmetic number, because the mean of its divisors is an integer number (1955236712).

Almost surely, 2^63041811525 is an apocalyptic number.

It is an amenable number.

63041811525 is an abundant number, since it is smaller than the sum of its proper divisors (77735231739).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63041811525 is a wasteful number, since it uses less digits than its factorization.

63041811525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638811 (or 3638803 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 63041811525 in words is "sixty-three billion, forty-one million, eight hundred eleven thousand, five hundred twenty-five".