1500140222557 has 2 divisors, whose sum is σ = 1500140222558. Its totient is φ = 1500140222556.

The previous prime is 1500140222489. The next prime is 1500140222561. The reversal of 1500140222557 is 7552220410051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1493367097156 + 6773125401 = 1222034^2 + 82299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500140222557 - 2⁷ = 1500140222429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500140225557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750070111278 + 750070111279.

It is an arithmetic number, because the mean of its divisors is an integer number (750070111279).

Almost surely, 2^{1500140222557} is an apocalyptic number.

It is an amenable number.

1500140222557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500140222557 is an equidigital number, since it uses as much as digits as its factorization.

1500140222557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 1500140222557 in words is "one trillion, five hundred billion, one hundred forty million, two hundred twenty-two thousand, five hundred fifty-seven".