115145717503651 has 4 divisors (see below), whose sum is σ = 120152053047312. Its totient is φ = 110139381959992.

The previous prime is 115145717503639. The next prime is 115145717503669. The reversal of 115145717503651 is 156305717541511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115145717503651 - 2²³ = 115145709115043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115145717500651) 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, 2503167771796 + ... + 2503167771841.

It is an arithmetic number, because the mean of its divisors is an integer number (30038013261828).

Almost surely, 2^{115145717503651} is an apocalyptic number.

115145717503651 is a deficient number, since it is larger than the sum of its proper divisors (5006335543661).

115145717503651 is an equidigital number, since it uses as much as digits as its factorization.

115145717503651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006335543660.

The product of its (nonzero) digits is 2205000, while the sum is 52.

The spelling of 115145717503651 in words is "one hundred fifteen trillion, one hundred forty-five billion, seven hundred seventeen million, five hundred three thousand, six hundred fifty-one".