13039661109372 has 24 divisors (see below), whose sum is σ = 31748740093056. Its totient is φ = 4157573107248.

The previous prime is 13039661109361. The next prime is 13039661109373. The reversal of 13039661109372 is 27390116693031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039661109373) 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, 23622574198 + ... + 23622574749.

It is an arithmetic number, because the mean of its divisors is an integer number (1322864170544).

Almost surely, 2^{13039661109372} is an apocalyptic number.

13039661109372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13039661109372 is an abundant number, since it is smaller than the sum of its proper divisors (18709078983684).

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

13039661109372 is a wasteful number, since it uses less digits than its factorization.

13039661109372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47245148977 (or 47245148975 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 51.

The spelling of 13039661109372 in words is "thirteen trillion, thirty-nine billion, six hundred sixty-one million, one hundred nine thousand, three hundred seventy-two".