13661025423132 has 96 divisors (see below), whose sum is σ = 32192535158784. Its totient is φ = 4508572320000.

The previous prime is 13661025423119. The next prime is 13661025423151. The reversal of 13661025423132 is 23132452016631.

It is a super-2 number, since 2×13661025423132² (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 31 ways as a sum of consecutive naturals, for example, 2396247882 + ... + 2396253582.

It is an arithmetic number, because the mean of its divisors is an integer number (335338907904).

Almost surely, 2^{13661025423132} is an apocalyptic number.

13661025423132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13661025423132 is an abundant number, since it is smaller than the sum of its proper divisors (18531509735652).

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

13661025423132 is a wasteful number, since it uses less digits than its factorization.

13661025423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8779 (or 8777 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 13661025423132 its reverse (23132452016631), we get a palindrome (36793477439763).

The spelling of 13661025423132 in words is "thirteen trillion, six hundred sixty-one billion, twenty-five million, four hundred twenty-three thousand, one hundred thirty-two".