5155120459 has 2 divisors, whose sum is σ = 5155120460. Its totient is φ = 5155120458.

The previous prime is 5155120441. The next prime is 5155120469. The reversal of 5155120459 is 9540215515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5155120459 - 2⁵ = 5155120427 is a prime.

It is not a weakly prime, because it can be changed into another prime (5155120469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577560229 + 2577560230.

It is an arithmetic number, because the mean of its divisors is an integer number (2577560230).

Almost surely, 2^5155120459 is an apocalyptic number.

5155120459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155120459 is an equidigital number, since it uses as much as digits as its factorization.

5155120459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 5155120459 is about 71799.1675369569. The cubic root of 5155120459 is about 1727.4796470760.

It can be divided in two parts, 51551 and 20459, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 5155120459 in words is "five billion, one hundred fifty-five million, one hundred twenty thousand, four hundred fifty-nine".