634521111052 has 12 divisors (see below), whose sum is σ = 1111480683040. Its totient is φ = 316955201616.

The previous prime is 634521110989. The next prime is 634521111127. The reversal of 634521111052 is 250111125436.

634521111052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76333803 + ... + 76342114.

Almost surely, 2^634521111052 is an apocalyptic number.

It is an amenable number.

634521111052 is a deficient number, since it is larger than the sum of its proper divisors (476959571988).

634521111052 is a wasteful number, since it uses less digits than its factorization.

634521111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152676960 (or 152676958 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 634521111052 its reverse (250111125436), we get a palindrome (884632236488).

The spelling of 634521111052 in words is "six hundred thirty-four billion, five hundred twenty-one million, one hundred eleven thousand, fifty-two".