5115561037 has 2 divisors, whose sum is σ = 5115561038. Its totient is φ = 5115561036.

The previous prime is 5115561029. The next prime is 5115561047. The reversal of 5115561037 is 7301655115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5006128516 + 109432521 = 70754^2 + 10461^2 .

It is a cyclic number.

It is not a de Polignac number, because 5115561037 - 2³ = 5115561029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5115560993 and 5115561011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5115561047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557780518 + 2557780519.

It is an arithmetic number, because the mean of its divisors is an integer number (2557780519).

Almost surely, 2^5115561037 is an apocalyptic number.

It is an amenable number.

5115561037 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115561037 is an equidigital number, since it uses as much as digits as its factorization.

5115561037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 5115561037 is about 71523.1503570697. The cubic root of 5115561037 is about 1723.0495113485.

The spelling of 5115561037 in words is "five billion, one hundred fifteen million, five hundred sixty-one thousand, thirty-seven".