15136556162642 has 8 divisors (see below), whose sum is σ = 24040412728956. Its totient is φ = 7123085252992.

The previous prime is 15136556162551. The next prime is 15136556162687. The reversal of 15136556162642 is 24626165563151.

It can be written as a sum of positive squares in 2 ways, for example, as 14893663911361 + 242892251281 = 3859231^2 + 492841^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222596414123 + ... + 222596414190.

Almost surely, 2^{15136556162642} is an apocalyptic number.

15136556162642 is a deficient number, since it is larger than the sum of its proper divisors (8903856566314).

15136556162642 is a wasteful number, since it uses less digits than its factorization.

15136556162642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445192828332.

The product of its digits is 7776000, while the sum is 53.

The spelling of 15136556162642 in words is "fifteen trillion, one hundred thirty-six billion, five hundred fifty-six million, one hundred sixty-two thousand, six hundred forty-two".