117545454902 has 4 divisors (see below), whose sum is σ = 176318182356. Its totient is φ = 58772727450.

The previous prime is 117545454899. The next prime is 117545454907. The reversal of 117545454902 is 209454545711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117545454907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29386363724 + ... + 29386363727.

It is an arithmetic number, because the mean of its divisors is an integer number (44079545589).

Almost surely, 2^117545454902 is an apocalyptic number.

117545454902 is a deficient number, since it is larger than the sum of its proper divisors (58772727454).

117545454902 is an equidigital number, since it uses as much as digits as its factorization.

117545454902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58772727453.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 117545454902 in words is "one hundred seventeen billion, five hundred forty-five million, four hundred fifty-four thousand, nine hundred two".