63125756535850 has 12 divisors (see below), whose sum is σ = 117413907156774. Its totient is φ = 25250302614320.

The previous prime is 63125756535833. The next prime is 63125756535973. The reversal of 63125756535850 is 5853565752136.

It can be written as a sum of positive squares in 3 ways, for example, as 28634367529881 + 34491389005969 = 5351109^2 + 5872937^2 .

It is a super-2 number, since 2×63125756535850² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631257565309 + ... + 631257565408.

Almost surely, 2^{63125756535850} is an apocalyptic number.

63125756535850 is a deficient number, since it is larger than the sum of its proper divisors (54288150620924).

63125756535850 is a wasteful number, since it uses less digits than its factorization.

63125756535850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262515130729 (or 1262515130724 counting only the distinct ones).

The product of its (nonzero) digits is 113400000, while the sum is 61.

The spelling of 63125756535850 in words is "sixty-three trillion, one hundred twenty-five billion, seven hundred fifty-six million, five hundred thirty-five thousand, eight hundred fifty".