7072100688157 has 2 divisors, whose sum is σ = 7072100688158. Its totient is φ = 7072100688156.

The previous prime is 7072100688017. The next prime is 7072100688197. The reversal of 7072100688157 is 7518860012707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6729775060761 + 342325627396 = 2594181^2 + 585086^2 .

It is a cyclic number.

It is not a de Polignac number, because 7072100688157 - 2²³ = 7072092299549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7072100688197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536050344078 + 3536050344079.

It is an arithmetic number, because the mean of its divisors is an integer number (3536050344079).

Almost surely, 2^{7072100688157} is an apocalyptic number.

It is an amenable number.

7072100688157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7072100688157 is an equidigital number, since it uses as much as digits as its factorization.

7072100688157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 52.

The spelling of 7072100688157 in words is "seven trillion, seventy-two billion, one hundred million, six hundred eighty-eight thousand, one hundred fifty-seven".