15055705397 has 2 divisors, whose sum is σ = 15055705398. Its totient is φ = 15055705396.

The previous prime is 15055705367. The next prime is 15055705451. The reversal of 15055705397 is 79350755051.

15055705397 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 can be written as a sum of positive squares in only one way, i.e., 11142702481 + 3913002916 = 105559^2 + 62554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15055705397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15055705367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527852698 + 7527852699.

It is an arithmetic number, because the mean of its divisors is an integer number (7527852699).

Almost surely, 2^15055705397 is an apocalyptic number.

It is an amenable number.

15055705397 is a deficient number, since it is larger than the sum of its proper divisors (1).

15055705397 is an equidigital number, since it uses as much as digits as its factorization.

15055705397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826875, while the sum is 47.

The spelling of 15055705397 in words is "fifteen billion, fifty-five million, seven hundred five thousand, three hundred ninety-seven".