117511002156 has 48 divisors (see below), whose sum is σ = 276100927200. Its totient is φ = 38897809920.

The previous prime is 117511002121. The next prime is 117511002163. The reversal of 117511002156 is 651200115711.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13257166 + ... + 13266026.

It is an arithmetic number, because the mean of its divisors is an integer number (5752102650).

Almost surely, 2^117511002156 is an apocalyptic number.

It is an amenable number.

117511002156 is an abundant number, since it is smaller than the sum of its proper divisors (158589925044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117511002156 is a wasteful number, since it uses less digits than its factorization.

117511002156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434 (or 16432 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 30.

Adding to 117511002156 its reverse (651200115711), we get a palindrome (768711117867).

The spelling of 117511002156 in words is "one hundred seventeen billion, five hundred eleven million, two thousand, one hundred fifty-six".