63700157042755 has 4 divisors (see below), whose sum is σ = 76440188451312. Its totient is φ = 50960125634200.

The previous prime is 63700157042749. The next prime is 63700157042759. The reversal of 63700157042755 is 55724075100736.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63700157042755 - 2⁹ = 63700157042243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63700157042759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6370015704271 + ... + 6370015704280.

It is an arithmetic number, because the mean of its divisors is an integer number (19110047112828).

Almost surely, 2^{63700157042755} is an apocalyptic number.

63700157042755 is a deficient number, since it is larger than the sum of its proper divisors (12740031408557).

63700157042755 is a wasteful number, since it uses less digits than its factorization.

63700157042755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12740031408556.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 63700157042755 in words is "sixty-three trillion, seven hundred billion, one hundred fifty-seven million, forty-two thousand, seven hundred fifty-five".