63103999975 has 6 divisors (see below), whose sum is σ = 78248960000. Its totient is φ = 50483199960.

The previous prime is 63103999967. The next prime is 63103999999. The reversal of 63103999975 is 57999930136.

It is not a de Polignac number, because 63103999975 - 2³ = 63103999967 is a prime.

It is a super-2 number, since 2×63103999975² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1262079975 + ... + 1262080024.

Almost surely, 2^63103999975 is an apocalyptic number.

63103999975 is a deficient number, since it is larger than the sum of its proper divisors (15144960025).

63103999975 is a wasteful number, since it uses less digits than its factorization.

63103999975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524160009 (or 2524160004 counting only the distinct ones).

The product of its (nonzero) digits is 12400290, while the sum is 61.

The spelling of 63103999975 in words is "sixty-three billion, one hundred three million, nine hundred ninety-nine thousand, nine hundred seventy-five".