10157724520018 has 16 divisors (see below), whose sum is σ = 15250619543544. Its totient is φ = 5074185502720.

The previous prime is 10157724519989. The next prime is 10157724520051. The reversal of 10157724520018 is 81002542775101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6990011562769 + 3167712957249 = 2643863^2 + 1779807^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24958398 + ... + 25362118.

Almost surely, 2^{10157724520018} is an apocalyptic number.

10157724520018 is a deficient number, since it is larger than the sum of its proper divisors (5092895023526).

10157724520018 is a wasteful number, since it uses less digits than its factorization.

10157724520018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415277.

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 10157724520018 in words is "ten trillion, one hundred fifty-seven billion, seven hundred twenty-four million, five hundred twenty thousand, eighteen".