13181912348980 has 24 divisors (see below), whose sum is σ = 27684732147912. Its totient is φ = 5272247565312.

The previous prime is 13181912348959. The next prime is 13181912348989. The reversal of 13181912348980 is 8984321918131.

It can be written as a sum of positive squares in 4 ways, for example, as 5403235164196 + 7778677184784 = 2324486^2 + 2789028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13181912348989) 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, 32126937 + ... + 32534656.

It is an arithmetic number, because the mean of its divisors is an integer number (1153530506163).

Almost surely, 2^{13181912348980} is an apocalyptic number.

13181912348980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13181912348980 is an abundant number, since it is smaller than the sum of its proper divisors (14502819798932).

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

13181912348980 is a wasteful number, since it uses less digits than its factorization.

13181912348980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64671795 (or 64671793 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 58.

The spelling of 13181912348980 in words is "thirteen trillion, one hundred eighty-one billion, nine hundred twelve million, three hundred forty-eight thousand, nine hundred eighty".