63545156256 has 96 divisors (see below), whose sum is σ = 179254555200. Its totient is φ = 19638153216.

The previous prime is 63545156249. The next prime is 63545156261. The reversal of 63545156256 is 65265154536.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 181231 + ... + 399918.

It is an arithmetic number, because the mean of its divisors is an integer number (1867234950).

Almost surely, 2^63545156256 is an apocalyptic number.

It is an amenable number.

63545156256 is an abundant number, since it is smaller than the sum of its proper divisors (115709398944).

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

63545156256 is a wasteful number, since it uses less digits than its factorization.

63545156256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581246 (or 581238 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 63545156256 in words is "sixty-three billion, five hundred forty-five million, one hundred fifty-six thousand, two hundred fifty-six".