63561064051 has 8 divisors (see below), whose sum is σ = 64289611440. Its totient is φ = 62832836352.

The previous prime is 63561064033. The next prime is 63561064067. The reversal of 63561064051 is 15046016536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63561064051 - 2⁹ = 63561063539 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 63561064051.

It is not an unprimeable number, because it can be changed into a prime (63561064031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332091 + ... + 487243.

It is an arithmetic number, because the mean of its divisors is an integer number (8036201430).

Almost surely, 2^63561064051 is an apocalyptic number.

63561064051 is a deficient number, since it is larger than the sum of its proper divisors (728547389).

63561064051 is a wasteful number, since it uses less digits than its factorization.

63561064051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159845.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 63561064051 in words is "sixty-three billion, five hundred sixty-one million, sixty-four thousand, fifty-one".