2815995157 has 2 divisors, whose sum is σ = 2815995158. Its totient is φ = 2815995156.

The previous prime is 2815995131. The next prime is 2815995167. The reversal of 2815995157 is 7515995182.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2764025476 + 51969681 = 52574^2 + 7209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2815995157 - 2⁷ = 2815995029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2815995167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407997578 + 1407997579.

It is an arithmetic number, because the mean of its divisors is an integer number (1407997579).

Almost surely, 2^2815995157 is an apocalyptic number.

It is an amenable number.

2815995157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2815995157 is an equidigital number, since it uses as much as digits as its factorization.

2815995157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 52.

The square root of 2815995157 is about 53065.9510138092. The cubic root of 2815995157 is about 1412.1385245903.

The spelling of 2815995157 in words is "two billion, eight hundred fifteen million, nine hundred ninety-five thousand, one hundred fifty-seven".