15613172537142 has 16 divisors (see below), whose sum is σ = 31237737425712. Its totient is φ = 5202492120480.

The previous prime is 15613172537113. The next prime is 15613172537159. The reversal of 15613172537142 is 24173527131651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15613172537091 and 15613172537100.

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, 474663493 + ... + 474696384.

It is an arithmetic number, because the mean of its divisors is an integer number (1952358589107).

Almost surely, 2^{15613172537142} is an apocalyptic number.

15613172537142 is an abundant number, since it is smaller than the sum of its proper divisors (15624564888570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15613172537142 is a wasteful number, since it uses less digits than its factorization.

15613172537142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949362623.

The product of its digits is 1058400, while the sum is 48.

Adding to 15613172537142 its reverse (24173527131651), we get a palindrome (39786699668793).

The spelling of 15613172537142 in words is "fifteen trillion, six hundred thirteen billion, one hundred seventy-two million, five hundred thirty-seven thousand, one hundred forty-two".