15485639107 has 2 divisors, whose sum is σ = 15485639108. Its totient is φ = 15485639106.

The previous prime is 15485639053. The next prime is 15485639173. The reversal of 15485639107 is 70193658451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15485639107 - 2³¹ = 13338155459 is a prime.

It is not a weakly prime, because it can be changed into another prime (15485639707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7742819553 + 7742819554.

It is an arithmetic number, because the mean of its divisors is an integer number (7742819554).

Almost surely, 2^15485639107 is an apocalyptic number.

15485639107 is a deficient number, since it is larger than the sum of its proper divisors (1).

15485639107 is an equidigital number, since it uses as much as digits as its factorization.

15485639107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 15485639107 in words is "fifteen billion, four hundred eighty-five million, six hundred thirty-nine thousand, one hundred seven".