15040350491 has 2 divisors, whose sum is σ = 15040350492. Its totient is φ = 15040350490.

The previous prime is 15040350487. The next prime is 15040350553. The reversal of 15040350491 is 19405304051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15040350491 - 2² = 15040350487 is a prime.

It is not a weakly prime, because it can be changed into another prime (15040350431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520175245 + 7520175246.

It is an arithmetic number, because the mean of its divisors is an integer number (7520175246).

Almost surely, 2^15040350491 is an apocalyptic number.

15040350491 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040350491 is an equidigital number, since it uses as much as digits as its factorization.

15040350491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 15040350491 in words is "fifteen billion, forty million, three hundred fifty thousand, four hundred ninety-one".