11858742637 has 8 divisors (see below), whose sum is σ = 13775027072. Its totient is φ = 9998002800.

The previous prime is 11858742619. The next prime is 11858742647. The reversal of 11858742637 is 73624785811.

11858742637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11858742637 - 2⁷ = 11858742509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858742647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13885689 + ... + 13886542.

It is an arithmetic number, because the mean of its divisors is an integer number (1721878384).

Almost surely, 2^11858742637 is an apocalyptic number.

It is an amenable number.

11858742637 is a deficient number, since it is larger than the sum of its proper divisors (1916284435).

11858742637 is an equidigital number, since it uses as much as digits as its factorization.

11858742637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772299.

The product of its digits is 2257920, while the sum is 52.

The spelling of 11858742637 in words is "eleven billion, eight hundred fifty-eight million, seven hundred forty-two thousand, six hundred thirty-seven".