15022009047491 has 2 divisors, whose sum is σ = 15022009047492. Its totient is φ = 15022009047490.

The previous prime is 15022009047481. The next prime is 15022009047517. The reversal of 15022009047491 is 19474090022051.

15022009047491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15022009047491 - 2¹⁰ = 15022009046467 is a prime.

It is a super-2 number, since 2×15022009047491² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15022009047481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7511004523745 + 7511004523746.

It is an arithmetic number, because the mean of its divisors is an integer number (7511004523746).

Almost surely, 2^{15022009047491} is an apocalyptic number.

15022009047491 is a deficient number, since it is larger than the sum of its proper divisors (1).

15022009047491 is an equidigital number, since it uses as much as digits as its factorization.

15022009047491 is an evil number, because the sum of its binary digits is even.

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

The spelling of 15022009047491 in words is "fifteen trillion, twenty-two billion, nine million, forty-seven thousand, four hundred ninety-one".