13155321225142 has 16 divisors (see below), whose sum is σ = 19791848764800. Its totient is φ = 6558042733632.

The previous prime is 13155321225131. The next prime is 13155321225161. The reversal of 13155321225142 is 24152212355131.

It is a happy number.

It is a super-2 number, since 2×13155321225142² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859938 + ... + 7066090.

It is an arithmetic number, because the mean of its divisors is an integer number (1236990547800).

Almost surely, 2^{13155321225142} is an apocalyptic number.

13155321225142 is a deficient number, since it is larger than the sum of its proper divisors (6636527539658).

13155321225142 is a wasteful number, since it uses less digits than its factorization.

13155321225142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215047.

The product of its digits is 72000, while the sum is 37.

The spelling of 13155321225142 in words is "thirteen trillion, one hundred fifty-five billion, three hundred twenty-one million, two hundred twenty-five thousand, one hundred forty-two".