12537617087 has 2 divisors, whose sum is σ = 12537617088. Its totient is φ = 12537617086.

The previous prime is 12537617083. The next prime is 12537617119. The reversal of 12537617087 is 78071673521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12537617087 - 2² = 12537617083 is a prime.

It is a super-3 number, since 3×12537617087³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12537617083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6268808543 + 6268808544.

It is an arithmetic number, because the mean of its divisors is an integer number (6268808544).

Almost surely, 2^12537617087 is an apocalyptic number.

12537617087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12537617087 is an equidigital number, since it uses as much as digits as its factorization.

12537617087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 12537617087 in words is "twelve billion, five hundred thirty-seven million, six hundred seventeen thousand, eighty-seven".