15345299971 has 2 divisors, whose sum is σ = 15345299972. Its totient is φ = 15345299970.

The previous prime is 15345299947. The next prime is 15345300001. The reversal of 15345299971 is 17999254351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15345299971 - 2⁵ = 15345299939 is a prime.

It is not a weakly prime, because it can be changed into another prime (15345299471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7672649985 + 7672649986.

It is an arithmetic number, because the mean of its divisors is an integer number (7672649986).

Almost surely, 2^15345299971 is an apocalyptic number.

15345299971 is a deficient number, since it is larger than the sum of its proper divisors (1).

15345299971 is an equidigital number, since it uses as much as digits as its factorization.

15345299971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 55.

The spelling of 15345299971 in words is "fifteen billion, three hundred forty-five million, two hundred ninety-nine thousand, nine hundred seventy-one".