1016155513 has 2 divisors, whose sum is σ = 1016155514. Its totient is φ = 1016155512.

The previous prime is 1016155493. The next prime is 1016155519. The reversal of 1016155513 is 3155516101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 615635344 + 400520169 = 24812^2 + 20013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016155513 - 2¹⁷ = 1016024441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1016155519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508077756 + 508077757.

It is an arithmetic number, because the mean of its divisors is an integer number (508077757).

Almost surely, 2^1016155513 is an apocalyptic number.

It is an amenable number.

1016155513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016155513 is an equidigital number, since it uses as much as digits as its factorization.

1016155513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 1016155513 is about 31877.1942460437. The cubic root of 1016155513 is about 1005.3564284466.

The spelling of 1016155513 in words is "one billion, sixteen million, one hundred fifty-five thousand, five hundred thirteen".