10891742294 has 4 divisors (see below), whose sum is σ = 16337613444. Its totient is φ = 5445871146.

The previous prime is 10891742273. The next prime is 10891742297. The reversal of 10891742294 is 49224719801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10891742297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722935572 + ... + 2722935575.

It is an arithmetic number, because the mean of its divisors is an integer number (4084403361).

Almost surely, 2^10891742294 is an apocalyptic number.

10891742294 is a deficient number, since it is larger than the sum of its proper divisors (5445871150).

10891742294 is an equidigital number, since it uses as much as digits as its factorization.

10891742294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445871149.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 10891742294 in words is "ten billion, eight hundred ninety-one million, seven hundred forty-two thousand, two hundred ninety-four".