15854153138364 has 48 divisors (see below), whose sum is σ = 37053847077632. Its totient is φ = 5276035619712.

The previous prime is 15854153138359. The next prime is 15854153138423. The reversal of 15854153138364 is 46383135145851.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17952057 + ... + 18814479.

Almost surely, 2^{15854153138364} is an apocalyptic number.

It is an amenable number.

15854153138364 is an abundant number, since it is smaller than the sum of its proper divisors (21199693939268).

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

15854153138364 is a wasteful number, since it uses less digits than its factorization.

15854153138364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864946 (or 864944 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 57.

The spelling of 15854153138364 in words is "fifteen trillion, eight hundred fifty-four billion, one hundred fifty-three million, one hundred thirty-eight thousand, three hundred sixty-four".