11290891047 has 8 divisors (see below), whose sum is σ = 15062105856. Its totient is φ = 7523468472.

The previous prime is 11290891039. The next prime is 11290891049. The reversal of 11290891047 is 74019809211.

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

It is not a de Polignac number, because 11290891047 - 2³ = 11290891039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290891049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941103 + ... + 953024.

It is an arithmetic number, because the mean of its divisors is an integer number (1882763232).

Almost surely, 2^11290891047 is an apocalyptic number.

11290891047 is a deficient number, since it is larger than the sum of its proper divisors (3771214809).

11290891047 is a wasteful number, since it uses less digits than its factorization.

11290891047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896117.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 11290891047 in words is "eleven billion, two hundred ninety million, eight hundred ninety-one thousand, forty-seven".