11875034587 has 4 divisors (see below), whose sum is σ = 12788498800. Its totient is φ = 10961570376.

The previous prime is 11875034581. The next prime is 11875034603. The reversal of 11875034587 is 78543057811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11875034587 - 2¹¹ = 11875032539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11875034587.

It is not an unprimeable number, because it can be changed into a prime (11875034581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456732087 + ... + 456732112.

It is an arithmetic number, because the mean of its divisors is an integer number (3197124700).

Almost surely, 2^11875034587 is an apocalyptic number.

11875034587 is a deficient number, since it is larger than the sum of its proper divisors (913464213).

11875034587 is an equidigital number, since it uses as much as digits as its factorization.

11875034587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913464212.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 11875034587 in words is "eleven billion, eight hundred seventy-five million, thirty-four thousand, five hundred eighty-seven".