15120636434426 has 16 divisors (see below), whose sum is σ = 22893009440064. Its totient is φ = 7489929661344.

The previous prime is 15120636434419. The next prime is 15120636434441. The reversal of 15120636434426 is 62443463602151.

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, 73991126 + ... + 74195201.

It is an arithmetic number, because the mean of its divisors is an integer number (1430813090004).

Almost surely, 2^{15120636434426} is an apocalyptic number.

15120636434426 is a deficient number, since it is larger than the sum of its proper divisors (7772373005638).

15120636434426 is a wasteful number, since it uses less digits than its factorization.

15120636434426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148186805.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 15120636434426 in words is "fifteen trillion, one hundred twenty billion, six hundred thirty-six million, four hundred thirty-four thousand, four hundred twenty-six".