117416021957455 has 24 divisors (see below), whose sum is σ = 152572663847088. Its totient is φ = 86706470462976.

The previous prime is 117416021957449. The next prime is 117416021957483. The reversal of 117416021957455 is 554759120614711.

It is not a de Polignac number, because 117416021957455 - 2⁹ = 117416021956943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117416021957455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109759639 + ... + 110824231.

It is an arithmetic number, because the mean of its divisors is an integer number (6357194326962).

Almost surely, 2^{117416021957455} is an apocalyptic number.

117416021957455 is a deficient number, since it is larger than the sum of its proper divisors (35156641889633).

117416021957455 is a wasteful number, since it uses less digits than its factorization.

117416021957455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195147 (or 1195134 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 58.

The spelling of 117416021957455 in words is "one hundred seventeen trillion, four hundred sixteen billion, twenty-one million, nine hundred fifty-seven thousand, four hundred fifty-five".