7152761557 has 2 divisors, whose sum is σ = 7152761558. Its totient is φ = 7152761556.

The previous prime is 7152761491. The next prime is 7152761563. The reversal of 7152761557 is 7551672517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7152761476 + 81 = 84574^2 + 9^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7152761557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7152762557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576380778 + 3576380779.

It is an arithmetic number, because the mean of its divisors is an integer number (3576380779).

Almost surely, 2^7152761557 is an apocalyptic number.

It is an amenable number.

7152761557 is a deficient number, since it is larger than the sum of its proper divisors (1).

7152761557 is an equidigital number, since it uses as much as digits as its factorization.

7152761557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 514500, while the sum is 46.

The square root of 7152761557 is about 84574.0004788706. Note that the first 3 decimals coincide. The cubic root of 7152761557 is about 1926.7465169902.

The spelling of 7152761557 in words is "seven billion, one hundred fifty-two million, seven hundred sixty-one thousand, five hundred fifty-seven".