12535501373 has 2 divisors, whose sum is σ = 12535501374. Its totient is φ = 12535501372.

The previous prime is 12535501309. The next prime is 12535501399. The reversal of 12535501373 is 37310553521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12024876964 + 510624409 = 109658^2 + 22597^2 .

It is a cyclic number.

It is not a de Polignac number, because 12535501373 - 2⁶ = 12535501309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12535501273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267750686 + 6267750687.

It is an arithmetic number, because the mean of its divisors is an integer number (6267750687).

Almost surely, 2^12535501373 is an apocalyptic number.

It is an amenable number.

12535501373 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535501373 is an equidigital number, since it uses as much as digits as its factorization.

12535501373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 35.

The spelling of 12535501373 in words is "twelve billion, five hundred thirty-five million, five hundred one thousand, three hundred seventy-three".