63135251755555 has 16 divisors (see below), whose sum is σ = 86606099008704. Its totient is φ = 43282438617600.

The previous prime is 63135251755529. The next prime is 63135251755577. The reversal of 63135251755555 is 55555715253136.

It is not a de Polignac number, because 63135251755555 - 2²³ = 63135243366947 is a prime.

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 63135251755555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214547602 + ... + 214841671.

It is an arithmetic number, because the mean of its divisors is an integer number (5412881188044).

Almost surely, 2^{63135251755555} is an apocalyptic number.

63135251755555 is a deficient number, since it is larger than the sum of its proper divisors (23470847253149).

63135251755555 is a wasteful number, since it uses less digits than its factorization.

63135251755555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429393486.

The product of its digits is 59062500, while the sum is 58.

The spelling of 63135251755555 in words is "sixty-three trillion, one hundred thirty-five billion, two hundred fifty-one million, seven hundred fifty-five thousand, five hundred fifty-five".