11158857494 has 16 divisors (see below), whose sum is σ = 17821911600. Its totient is φ = 5221887744.

The previous prime is 11158857467. The next prime is 11158857517. The reversal of 11158857494 is 49475885111.

11158857494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 910679 + ... + 922850.

It is an arithmetic number, because the mean of its divisors is an integer number (1113869475).

Almost surely, 2^11158857494 is an apocalyptic number.

11158857494 is a deficient number, since it is larger than the sum of its proper divisors (6663054106).

11158857494 is a wasteful number, since it uses less digits than its factorization.

11158857494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833727.

The product of its digits is 1612800, while the sum is 53.

The spelling of 11158857494 in words is "eleven billion, one hundred fifty-eight million, eight hundred fifty-seven thousand, four hundred ninety-four".