13126547401019 has 8 divisors (see below), whose sum is σ = 14315222093760. Its totient is φ = 11963435605056.

The previous prime is 13126547401003. The next prime is 13126547401027. The reversal of 13126547401019 is 91010474562131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13126547401019 - 2⁴ = 13126547401003 is a prime.

It is a super-2 number, since 2×13126547401019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13126547401039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6390723122 + ... + 6390725175.

It is an arithmetic number, because the mean of its divisors is an integer number (1789402761720).

Almost surely, 2^{13126547401019} is an apocalyptic number.

13126547401019 is a deficient number, since it is larger than the sum of its proper divisors (1188674692741).

13126547401019 is a wasteful number, since it uses less digits than its factorization.

13126547401019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781448389.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 13126547401019 in words is "thirteen trillion, one hundred twenty-six billion, five hundred forty-seven million, four hundred one thousand, nineteen".