5155615061 has 2 divisors, whose sum is σ = 5155615062. Its totient is φ = 5155615060.

The previous prime is 5155615033. The next prime is 5155615103. The reversal of 5155615061 is 1605165515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4691428036 + 464187025 = 68494^2 + 21545^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155615061 - 2¹⁴ = 5155598677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155612061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577807530 + 2577807531.

It is an arithmetic number, because the mean of its divisors is an integer number (2577807531).

Almost surely, 2^5155615061 is an apocalyptic number.

It is an amenable number.

5155615061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155615061 is an equidigital number, since it uses as much as digits as its factorization.

5155615061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 5155615061 is about 71802.6117979005. The cubic root of 5155615061 is about 1727.5348923137.

The spelling of 5155615061 in words is "five billion, one hundred fifty-five million, six hundred fifteen thousand, sixty-one".