63556525106123 has 16 divisors (see below), whose sum is σ = 72826961780736. Its totient is φ = 54333826719360.

The previous prime is 63556525106023. The next prime is 63556525106153. The reversal of 63556525106123 is 32160152565536.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 63556525106123 - 2¹⁸ = 63556524843979 is a prime.

It is a super-2 number, since 2×63556525106123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63556525106153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181497683 + ... + 181847523.

It is an arithmetic number, because the mean of its divisors is an integer number (4551685111296).

Almost surely, 2^{63556525106123} is an apocalyptic number.

63556525106123 is a deficient number, since it is larger than the sum of its proper divisors (9270436674613).

63556525106123 is a wasteful number, since it uses less digits than its factorization.

63556525106123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417994.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 63556525106123 in words is "sixty-three trillion, five hundred fifty-six billion, five hundred twenty-five million, one hundred six thousand, one hundred twenty-three".