117503311 has 4 divisors (see below), whose sum is σ = 117529624. Its totient is φ = 117477000.

The previous prime is 117503293. The next prime is 117503317. The reversal of 117503311 is 113305711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113305711 = 139 ⋅815149.

It is a cyclic number.

It is not a de Polignac number, because 117503311 - 2¹⁵ = 117470543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117503317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4605 + ... + 16006.

It is an arithmetic number, because the mean of its divisors is an integer number (29382406).

Almost surely, 2^117503311 is an apocalyptic number.

117503311 is a deficient number, since it is larger than the sum of its proper divisors (26313).

117503311 is an equidigital number, since it uses as much as digits as its factorization.

117503311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26312.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 117503311 is about 10839.8944183050. The cubic root of 117503311 is about 489.7976548956.

The spelling of 117503311 in words is "one hundred seventeen million, five hundred three thousand, three hundred eleven".