15155405959 has 2 divisors, whose sum is σ = 15155405960. Its totient is φ = 15155405958.

The previous prime is 15155405921. The next prime is 15155405971. The reversal of 15155405959 is 95950455151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15155405959 - 2¹¹ = 15155403911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15155405459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577702979 + 7577702980.

It is an arithmetic number, because the mean of its divisors is an integer number (7577702980).

Almost surely, 2^15155405959 is an apocalyptic number.

15155405959 is a deficient number, since it is larger than the sum of its proper divisors (1).

15155405959 is an equidigital number, since it uses as much as digits as its factorization.

15155405959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1012500, while the sum is 49.

The spelling of 15155405959 in words is "fifteen billion, one hundred fifty-five million, four hundred five thousand, nine hundred fifty-nine".