15742757161 has 2 divisors, whose sum is σ = 15742757162. Its totient is φ = 15742757160.

The previous prime is 15742757089. The next prime is 15742757221. The reversal of 15742757161 is 16175724751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13793093136 + 1949664025 = 117444^2 + 44155^2 .

It is a cyclic number.

It is not a de Polignac number, because 15742757161 - 2⁷ = 15742757033 is a prime.

It is not a weakly prime, because it can be changed into another prime (15742757461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7871378580 + 7871378581.

It is an arithmetic number, because the mean of its divisors is an integer number (7871378581).

Almost surely, 2^15742757161 is an apocalyptic number.

It is an amenable number.

15742757161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15742757161 is an equidigital number, since it uses as much as digits as its factorization.

15742757161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 46.

The spelling of 15742757161 in words is "fifteen billion, seven hundred forty-two million, seven hundred fifty-seven thousand, one hundred sixty-one".