13498861131279 has 96 divisors (see below), whose sum is σ = 21116865369600. Its totient is φ = 8609498771328.

The previous prime is 13498861131229. The next prime is 13498861131341. The reversal of 13498861131279 is 97213116889431.

13498861131279 is a `hidden beast` number, since 1 + 3 + 4 + 9 + 8 + 8 + 611 + 3 + 1 + 2 + 7 + 9 = 666.

13498861131279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13498861131279 - 2¹² = 13498861127183 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13498861131229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 331704057 + ... + 331744749.

It is an arithmetic number, because the mean of its divisors is an integer number (219967347600).

Almost surely, 2^{13498861131279} is an apocalyptic number.

13498861131279 is a deficient number, since it is larger than the sum of its proper divisors (7618004238321).

13498861131279 is an equidigital number, since it uses as much as digits as its factorization.

13498861131279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41403 (or 41391 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 13498861131279 in words is "thirteen trillion, four hundred ninety-eight billion, eight hundred sixty-one million, one hundred thirty-one thousand, two hundred seventy-nine".