117100055242 has 16 divisors (see below), whose sum is σ = 175799961792. Its totient is φ = 58500093600.

The previous prime is 117100055213. The next prime is 117100055243. The reversal of 117100055242 is 242550001711.

It is a self number, because there is not a number n which added to its sum of digits gives 117100055242.

It is not an unprimeable number, because it can be changed into a prime (117100055243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17871867 + ... + 17878417.

It is an arithmetic number, because the mean of its divisors is an integer number (10987497612).

Almost surely, 2^117100055242 is an apocalyptic number.

117100055242 is a deficient number, since it is larger than the sum of its proper divisors (58699906550).

117100055242 is a wasteful number, since it uses less digits than its factorization.

117100055242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813.

The product of its (nonzero) digits is 2800, while the sum is 28.

Adding to 117100055242 its reverse (242550001711), we get a palindrome (359650056953).

The spelling of 117100055242 in words is "one hundred seventeen billion, one hundred million, fifty-five thousand, two hundred forty-two".