13861731540660 has 96 divisors (see below), whose sum is σ = 41266480413312. Its totient is φ = 3464586977280.

The previous prime is 13861731540659. The next prime is 13861731540691. The reversal of 13861731540660 is 6604513716831.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 27949062 + ... + 28440701.

It is an arithmetic number, because the mean of its divisors is an integer number (429859170972).

Almost surely, 2^{13861731540660} is an apocalyptic number.

13861731540660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13861731540660 is an abundant number, since it is smaller than the sum of its proper divisors (27404748872652).

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

13861731540660 is a wasteful number, since it uses less digits than its factorization.

13861731540660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56390033 (or 56390031 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 13861731540660 in words is "thirteen trillion, eight hundred sixty-one billion, seven hundred thirty-one million, five hundred forty thousand, six hundred sixty".