63555412265 has 8 divisors (see below), whose sum is σ = 78327751560. Its totient is φ = 49470158592.

The previous prime is 63555412241. The next prime is 63555412343. The reversal of 63555412265 is 56221455536.

It can be written as a sum of positive squares in 4 ways, for example, as 37792915216 + 25762497049 = 194404^2 + 160507^2 .

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 63555412265 - 2⁶ = 63555412201 is a prime.

It is a super-2 number, since 2×63555412265² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171771200 + ... + 171771569.

It is an arithmetic number, because the mean of its divisors is an integer number (9790968945).

Almost surely, 2^63555412265 is an apocalyptic number.

It is an amenable number.

63555412265 is a deficient number, since it is larger than the sum of its proper divisors (14772339295).

63555412265 is a wasteful number, since it uses less digits than its factorization.

63555412265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343542811.

The product of its digits is 1080000, while the sum is 44.

The spelling of 63555412265 in words is "sixty-three billion, five hundred fifty-five million, four hundred twelve thousand, two hundred sixty-five".