15742161803 has 2 divisors, whose sum is σ = 15742161804. Its totient is φ = 15742161802.

The previous prime is 15742161797. The next prime is 15742161817. The reversal of 15742161803 is 30816124751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15742161803 - 2¹⁸ = 15741899659 is a prime.

It is not a weakly prime, because it can be changed into another prime (15742161893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7871080901 + 7871080902.

It is an arithmetic number, because the mean of its divisors is an integer number (7871080902).

Almost surely, 2^15742161803 is an apocalyptic number.

15742161803 is a deficient number, since it is larger than the sum of its proper divisors (1).

15742161803 is an equidigital number, since it uses as much as digits as its factorization.

15742161803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 15742161803 in words is "fifteen billion, seven hundred forty-two million, one hundred sixty-one thousand, eight hundred three".