117540361497 has 16 divisors (see below), whose sum is σ = 172700927168. Its totient is φ = 70650377280.

The previous prime is 117540361493. The next prime is 117540361501. The reversal of 117540361497 is 794163045711.

It is an interprime number because it is at equal distance from previous prime (117540361493) and next prime (117540361501).

It is not a de Polignac number, because 117540361497 - 2² = 117540361493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117540361493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35043154 + ... + 35046507.

It is an arithmetic number, because the mean of its divisors is an integer number (10793807948).

Almost surely, 2^117540361497 is an apocalyptic number.

It is an amenable number.

117540361497 is a deficient number, since it is larger than the sum of its proper divisors (55160565671).

117540361497 is a wasteful number, since it uses less digits than its factorization.

117540361497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70089720.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 117540361497 in words is "one hundred seventeen billion, five hundred forty million, three hundred sixty-one thousand, four hundred ninety-seven".