15355155427 has 2 divisors, whose sum is σ = 15355155428. Its totient is φ = 15355155426.

The previous prime is 15355155407. The next prime is 15355155433. The reversal of 15355155427 is 72455155351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15355155427 - 2²³ = 15346766819 is a prime.

It is not a weakly prime, because it can be changed into another prime (15355155407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7677577713 + 7677577714.

It is an arithmetic number, because the mean of its divisors is an integer number (7677577714).

Almost surely, 2^15355155427 is an apocalyptic number.

15355155427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15355155427 is an equidigital number, since it uses as much as digits as its factorization.

15355155427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 525000, while the sum is 43.

The spelling of 15355155427 in words is "fifteen billion, three hundred fifty-five million, one hundred fifty-five thousand, four hundred twenty-seven".