5312111587 has 2 divisors, whose sum is σ = 5312111588. Its totient is φ = 5312111586.

The previous prime is 5312111543. The next prime is 5312111591. The reversal of 5312111587 is 7851112135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5312111587 - 2⁷ = 5312111459 is a prime.

It is not a weakly prime, because it can be changed into another prime (5312111687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656055793 + 2656055794.

It is an arithmetic number, because the mean of its divisors is an integer number (2656055794).

Almost surely, 2^5312111587 is an apocalyptic number.

5312111587 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312111587 is an equidigital number, since it uses as much as digits as its factorization.

5312111587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 34.

The square root of 5312111587 is about 72884.2341456642. The cubic root of 5312111587 is about 1744.8404861264.

The spelling of 5312111587 in words is "five billion, three hundred twelve million, one hundred eleven thousand, five hundred eighty-seven".