116931553 has 2 divisors, whose sum is σ = 116931554. Its totient is φ = 116931552.

The previous prime is 116931547. The next prime is 116931599. The reversal of 116931553 is 355139611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68029504 + 48902049 = 8248^2 + 6993^2 .

It is an emirp because it is prime and its reverse (355139611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116931553 - 2²⁵ = 83377121 is a prime.

It is not a weakly prime, because it can be changed into another prime (116931523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58465776 + 58465777.

It is an arithmetic number, because the mean of its divisors is an integer number (58465777).

Almost surely, 2^116931553 is an apocalyptic number.

It is an amenable number.

116931553 is a deficient number, since it is larger than the sum of its proper divisors (1).

116931553 is an equidigital number, since it uses as much as digits as its factorization.

116931553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 34.

The square root of 116931553 is about 10813.4893998191. The cubic root of 116931553 is about 489.0019292806.

The spelling of 116931553 in words is "one hundred sixteen million, nine hundred thirty-one thousand, five hundred fifty-three".