15255326293 has 2 divisors, whose sum is σ = 15255326294. Its totient is φ = 15255326292.

The previous prime is 15255326291. The next prime is 15255326369. The reversal of 15255326293 is 39262355251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15152871409 + 102454884 = 123097^2 + 10122^2 .

It is a cyclic number.

It is not a de Polignac number, because 15255326293 - 2¹ = 15255326291 is a prime.

Together with 15255326291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15255326291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627663146 + 7627663147.

It is an arithmetic number, because the mean of its divisors is an integer number (7627663147).

Almost surely, 2^15255326293 is an apocalyptic number.

It is an amenable number.

15255326293 is a deficient number, since it is larger than the sum of its proper divisors (1).

15255326293 is an equidigital number, since it uses as much as digits as its factorization.

15255326293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 43.

The spelling of 15255326293 in words is "fifteen billion, two hundred fifty-five million, three hundred twenty-six thousand, two hundred ninety-three".