15223548387157 has 16 divisors (see below), whose sum is σ = 16998812388864. Its totient is φ = 13517145334000.

The previous prime is 15223548387127. The next prime is 15223548387167. The reversal of 15223548387157 is 75178384532251.

15223548387157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15223548387157 - 2²⁷ = 15223414169429 is a prime.

It is a super-2 number, since 2×15223548387157² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15223548387095 and 15223548387104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15223548387127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91002319 + ... + 91169452.

It is an arithmetic number, because the mean of its divisors is an integer number (1062425774304).

Almost surely, 2^{15223548387157} is an apocalyptic number.

It is an amenable number.

15223548387157 is a deficient number, since it is larger than the sum of its proper divisors (1775264001707).

15223548387157 is a wasteful number, since it uses less digits than its factorization.

15223548387157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182171960.

The product of its digits is 56448000, while the sum is 61.

The spelling of 15223548387157 in words is "fifteen trillion, two hundred twenty-three billion, five hundred forty-eight million, three hundred eighty-seven thousand, one hundred fifty-seven".