7157157215701 has 2 divisors, whose sum is σ = 7157157215702. Its totient is φ = 7157157215700.

The previous prime is 7157157215657. The next prime is 7157157215731. The reversal of 7157157215701 is 1075127517517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5606708886801 + 1550448328900 = 2367849^2 + 1245170^2 .

It is a cyclic number.

It is not a de Polignac number, because 7157157215701 - 2⁷ = 7157157215573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7157157215731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578578607850 + 3578578607851.

It is an arithmetic number, because the mean of its divisors is an integer number (3578578607851).

Almost surely, 2^{7157157215701} is an apocalyptic number.

It is an amenable number.

7157157215701 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157157215701 is an equidigital number, since it uses as much as digits as its factorization.

7157157215701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600250, while the sum is 49.

The spelling of 7157157215701 in words is "seven trillion, one hundred fifty-seven billion, one hundred fifty-seven million, two hundred fifteen thousand, seven hundred one".