15157888886161 has 4 divisors (see below), whose sum is σ = 17323301584192. Its totient is φ = 12992476188132.

The previous prime is 15157888886141. The next prime is 15157888886197. The reversal of 15157888886161 is 16168888875151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15157888886161 - 2²³ = 15157880497553 is a prime.

It is a super-2 number, since 2×15157888886161² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15157888886141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082706349005 + ... + 1082706349018.

It is an arithmetic number, because the mean of its divisors is an integer number (4330825396048).

Almost surely, 2^{15157888886161} is an apocalyptic number.

It is an amenable number.

15157888886161 is a deficient number, since it is larger than the sum of its proper divisors (2165412698031).

15157888886161 is an equidigital number, since it uses as much as digits as its factorization.

15157888886161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165412698030.

The product of its digits is 206438400, while the sum is 73.

The spelling of 15157888886161 in words is "fifteen trillion, one hundred fifty-seven billion, eight hundred eighty-eight million, eight hundred eighty-six thousand, one hundred sixty-one".