117416021957457 has 8 divisors (see below), whose sum is σ = 156675030072960. Its totient is φ = 78217180906800.

The previous prime is 117416021957449. The next prime is 117416021957483. The reversal of 117416021957457 is 754759120614711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117416021957457 - 2³ = 117416021957449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117416021957457.

It is not an unprimeable number, because it can be changed into a prime (117416021957557) 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, 15041761657 + ... + 15041769462.

It is an arithmetic number, because the mean of its divisors is an integer number (19584378759120).

Almost surely, 2^{117416021957457} is an apocalyptic number.

It is an amenable number.

117416021957457 is a deficient number, since it is larger than the sum of its proper divisors (39259008115503).

117416021957457 is a wasteful number, since it uses less digits than its factorization.

117416021957457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30083532423.

The product of its (nonzero) digits is 14817600, while the sum is 60.

The spelling of 117416021957457 in words is "one hundred seventeen trillion, four hundred sixteen billion, twenty-one million, nine hundred fifty-seven thousand, four hundred fifty-seven".