15020126013391 has 2 divisors, whose sum is σ = 15020126013392. Its totient is φ = 15020126013390.

The previous prime is 15020126013377. The next prime is 15020126013421. The reversal of 15020126013391 is 19331062102051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15020126013391 - 2¹¹ = 15020126011343 is a prime.

It is a super-2 number, since 2×15020126013391² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15020126013331) 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 as a sum of consecutive naturals, namely, 7510063006695 + 7510063006696.

It is an arithmetic number, because the mean of its divisors is an integer number (7510063006696).

Almost surely, 2^{15020126013391} is an apocalyptic number.

15020126013391 is a deficient number, since it is larger than the sum of its proper divisors (1).

15020126013391 is an equidigital number, since it uses as much as digits as its factorization.

15020126013391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 15020126013391 in words is "fifteen trillion, twenty billion, one hundred twenty-six million, thirteen thousand, three hundred ninety-one".