155545287959 has 2 divisors, whose sum is σ = 155545287960. Its totient is φ = 155545287958.

The previous prime is 155545287941. The next prime is 155545287971. The reversal of 155545287959 is 959782545551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155545287959 - 2¹² = 155545283863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155545287895 and 155545287904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155545287979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77772643979 + 77772643980.

It is an arithmetic number, because the mean of its divisors is an integer number (77772643980).

Almost surely, 2^155545287959 is an apocalyptic number.

155545287959 is a deficient number, since it is larger than the sum of its proper divisors (1).

155545287959 is an equidigital number, since it uses as much as digits as its factorization.

155545287959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400000, while the sum is 65.

The spelling of 155545287959 in words is "one hundred fifty-five billion, five hundred forty-five million, two hundred eighty-seven thousand, nine hundred fifty-nine".