117145744011479 has 2 divisors, whose sum is σ = 117145744011480. Its totient is φ = 117145744011478.

The previous prime is 117145744011451. The next prime is 117145744011551. The reversal of 117145744011479 is 974110447541711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117145744011479 - 2⁸ = 117145744011223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117145744011979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58572872005739 + 58572872005740.

It is an arithmetic number, because the mean of its divisors is an integer number (58572872005740).

Almost surely, 2^{117145744011479} is an apocalyptic number.

117145744011479 is a deficient number, since it is larger than the sum of its proper divisors (1).

117145744011479 is an equidigital number, since it uses as much as digits as its factorization.

117145744011479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3951360, while the sum is 56.

The spelling of 117145744011479 in words is "one hundred seventeen trillion, one hundred forty-five billion, seven hundred forty-four million, eleven thousand, four hundred seventy-nine".