7801152572971 has 2 divisors, whose sum is σ = 7801152572972. Its totient is φ = 7801152572970.

The previous prime is 7801152572963. The next prime is 7801152572977. The reversal of 7801152572971 is 1792752511087.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7801152572971 - 2³ = 7801152572963 is a prime.

It is not a weakly prime, because it can be changed into another prime (7801152572977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3900576286485 + 3900576286486.

It is an arithmetic number, because the mean of its divisors is an integer number (3900576286486).

Almost surely, 2^{7801152572971} is an apocalyptic number.

7801152572971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7801152572971 is an equidigital number, since it uses as much as digits as its factorization.

7801152572971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 55.

The spelling of 7801152572971 in words is "seven trillion, eight hundred one billion, one hundred fifty-two million, five hundred seventy-two thousand, nine hundred seventy-one".