15171063553142 has 16 divisors (see below), whose sum is σ = 27537392668320. Its totient is φ = 6119420592768.

The previous prime is 15171063553141. The next prime is 15171063553183. The reversal of 15171063553142 is 24135536017151.

It is a super-2 number, since 2×15171063553142² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15171063553093 and 15171063553102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15171063553141) 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, 31871982017 + ... + 31871982492.

It is an arithmetic number, because the mean of its divisors is an integer number (1721087041770).

Almost surely, 2^{15171063553142} is an apocalyptic number.

15171063553142 is a deficient number, since it is larger than the sum of its proper divisors (12366329115178).

15171063553142 is a wasteful number, since it uses less digits than its factorization.

15171063553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63743964535.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 15171063553142 in words is "fifteen trillion, one hundred seventy-one billion, sixty-three million, five hundred fifty-three thousand, one hundred forty-two".