15742163644772 has 12 divisors (see below), whose sum is σ = 27550810185276. Its totient is φ = 7870503591840.

The previous prime is 15742163644759. The next prime is 15742163644789. The reversal of 15742163644772 is 27744636124751.

It can be written as a sum of positive squares in 2 ways, for example, as 1073677281856 + 14668486362916 = 1036184^2 + 3829946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144496379 + ... + 144605282.

It is an arithmetic number, because the mean of its divisors is an integer number (2295900848773).

Almost surely, 2^{15742163644772} is an apocalyptic number.

It is an amenable number.

15742163644772 is a deficient number, since it is larger than the sum of its proper divisors (11808646540504).

15742163644772 is a wasteful number, since it uses less digits than its factorization.

15742163644772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289115278 (or 289115276 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 59.

The spelling of 15742163644772 in words is "fifteen trillion, seven hundred forty-two billion, one hundred sixty-three million, six hundred forty-four thousand, seven hundred seventy-two".