15854451331157 has 8 divisors (see below), whose sum is σ = 16742558189760. Its totient is φ = 14971710677760.

The previous prime is 15854451331127. The next prime is 15854451331177. The reversal of 15854451331157 is 75113315445851.

15854451331157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 15854451331157 - 2²⁰ = 15854450282581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15854451331099 and 15854451331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15854451331127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341545228 + ... + 1341557045.

It is an arithmetic number, because the mean of its divisors is an integer number (2092819773720).

Almost surely, 2^{15854451331157} is an apocalyptic number.

It is an amenable number.

15854451331157 is a deficient number, since it is larger than the sum of its proper divisors (888106858603).

15854451331157 is a wasteful number, since it uses less digits than its factorization.

15854451331157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683102603.

The product of its digits is 5040000, while the sum is 53.

The spelling of 15854451331157 in words is "fifteen trillion, eight hundred fifty-four billion, four hundred fifty-one million, three hundred thirty-one thousand, one hundred fifty-seven".