11861858793 has 16 divisors (see below), whose sum is σ = 16517661696. Its totient is φ = 7557572880.

The previous prime is 11861858791. The next prime is 11861858803. The reversal of 11861858793 is 39785816811.

It is not a de Polignac number, because 11861858793 - 2¹ = 11861858791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11861858791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7396 + ... + 154202.

It is an arithmetic number, because the mean of its divisors is an integer number (1032353856).

Almost surely, 2^11861858793 is an apocalyptic number.

It is an amenable number.

11861858793 is a deficient number, since it is larger than the sum of its proper divisors (4655802903).

11861858793 is a wasteful number, since it uses less digits than its factorization.

11861858793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148004.

The product of its digits is 2903040, while the sum is 57.

The spelling of 11861858793 in words is "eleven billion, eight hundred sixty-one million, eight hundred fifty-eight thousand, seven hundred ninety-three".