115525722643 has 2 divisors, whose sum is σ = 115525722644. Its totient is φ = 115525722642.

The previous prime is 115525722623. The next prime is 115525722671. The reversal of 115525722643 is 346227525511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115525722643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115525722643.

It is not a weakly prime, because it can be changed into another prime (115525722623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57762861321 + 57762861322.

It is an arithmetic number, because the mean of its divisors is an integer number (57762861322).

Almost surely, 2^115525722643 is an apocalyptic number.

115525722643 is a deficient number, since it is larger than the sum of its proper divisors (1).

115525722643 is an equidigital number, since it uses as much as digits as its factorization.

115525722643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The spelling of 115525722643 in words is "one hundred fifteen billion, five hundred twenty-five million, seven hundred twenty-two thousand, six hundred forty-three".