1005515502157 has 2 divisors, whose sum is σ = 1005515502158. Its totient is φ = 1005515502156.

The previous prime is 1005515502139. The next prime is 1005515502169. The reversal of 1005515502157 is 7512055155001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518012712361 + 487502789796 = 719731^2 + 698214^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005515502157 - 2¹⁵ = 1005515469389 is a prime.

It is a super-2 number, since 2×1005515502157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005515502857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502757751078 + 502757751079.

It is an arithmetic number, because the mean of its divisors is an integer number (502757751079).

Almost surely, 2^{1005515502157} is an apocalyptic number.

It is an amenable number.

1005515502157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005515502157 is an equidigital number, since it uses as much as digits as its factorization.

1005515502157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43750, while the sum is 37.

The spelling of 1005515502157 in words is "one trillion, five billion, five hundred fifteen million, five hundred two thousand, one hundred fifty-seven".