117012213553278 has 64 divisors (see below), whose sum is σ = 236116845296640. Its totient is φ = 38656894480512.

The previous prime is 117012213553259. The next prime is 117012213553343. The reversal of 117012213553278 is 872355312210711.

117012213553278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3169068925 + ... + 3169105847.

It is an arithmetic number, because the mean of its divisors is an integer number (3689325707760).

Almost surely, 2^{117012213553278} is an apocalyptic number.

117012213553278 is an abundant number, since it is smaller than the sum of its proper divisors (119104631743362).

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

117012213553278 is a wasteful number, since it uses less digits than its factorization.

117012213553278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47361.

The product of its (nonzero) digits is 705600, while the sum is 48.

Adding to 117012213553278 its reverse (872355312210711), we get a palindrome (989367525763989).

The spelling of 117012213553278 in words is "one hundred seventeen trillion, twelve billion, two hundred thirteen million, five hundred fifty-three thousand, two hundred seventy-eight".