15745731428874 has 8 divisors (see below), whose sum is σ = 31491462857760. Its totient is φ = 5248577142956.

The previous prime is 15745731428873. The next prime is 15745731429047. The reversal of 15745731428874 is 47882413754751.

It is a sphenic number, since it is the product of 3 distinct primes.

15745731428874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (15745731428873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312144285734 + ... + 1312144285745.

It is an arithmetic number, because the mean of its divisors is an integer number (3936432857220).

Almost surely, 2^{15745731428874} is an apocalyptic number.

15745731428874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15745731428874 is a wasteful number, since it uses less digits than its factorization.

15745731428874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624288571484.

The product of its digits is 210739200, while the sum is 66.

The spelling of 15745731428874 in words is "fifteen trillion, seven hundred forty-five billion, seven hundred thirty-one million, four hundred twenty-eight thousand, eight hundred seventy-four".