117543515 has 8 divisors (see below), whose sum is σ = 144492768. Its totient is φ = 91741120.

The previous prime is 117543511. The next prime is 117543563. The reversal of 117543515 is 515345711.

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

It is not a de Polignac number, because 117543515 - 2² = 117543511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117543511) 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, 286487 + ... + 286896.

It is an arithmetic number, because the mean of its divisors is an integer number (18061596).

Almost surely, 2^117543515 is an apocalyptic number.

117543515 is a deficient number, since it is larger than the sum of its proper divisors (26949253).

117543515 is an equidigital number, since it uses as much as digits as its factorization.

117543515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573429.

The product of its digits is 10500, while the sum is 32.

The square root of 117543515 is about 10841.7487058131. The cubic root of 117543515 is about 489.8535102847.

The spelling of 117543515 in words is "one hundred seventeen million, five hundred forty-three thousand, five hundred fifteen".