11251778982 has 8 divisors (see below), whose sum is σ = 22503557976. Its totient is φ = 3750592992.

The previous prime is 11251778981. The next prime is 11251779029. The reversal of 11251778982 is 28987715211.

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

11251778982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251778981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937648243 + ... + 937648254.

It is an arithmetic number, because the mean of its divisors is an integer number (2812944747).

Almost surely, 2^11251778982 is an apocalyptic number.

11251778982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11251778982 is a wasteful number, since it uses less digits than its factorization.

11251778982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875296502.

The product of its digits is 564480, while the sum is 51.

The spelling of 11251778982 in words is "eleven billion, two hundred fifty-one million, seven hundred seventy-eight thousand, nine hundred eighty-two".