715115755891 has 2 divisors, whose sum is σ = 715115755892. Its totient is φ = 715115755890.

The previous prime is 715115755873. The next prime is 715115755927. The reversal of 715115755891 is 198557511517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 715115755891 - 2⁹ = 715115755379 is a prime.

It is a super-2 number, since 2×715115755891² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (715115755811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357557877945 + 357557877946.

It is an arithmetic number, because the mean of its divisors is an integer number (357557877946).

Almost surely, 2^715115755891 is an apocalyptic number.

715115755891 is a deficient number, since it is larger than the sum of its proper divisors (1).

715115755891 is an equidigital number, since it uses as much as digits as its factorization.

715115755891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2205000, while the sum is 55.

The spelling of 715115755891 in words is "seven hundred fifteen billion, one hundred fifteen million, seven hundred fifty-five thousand, eight hundred ninety-one".