10111982 has 4 divisors (see below), whose sum is σ = 15167976. Its totient is φ = 5055990.

The previous prime is 10111949. The next prime is 10111993. The reversal of 10111982 is 28911101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527994 + ... + 2527997.

It is an arithmetic number, because the mean of its divisors is an integer number (3791994).

Almost surely, 2^10111982 is an apocalyptic number.

10111982 is a deficient number, since it is larger than the sum of its proper divisors (5055994).

10111982 is an equidigital number, since it uses as much as digits as its factorization.

10111982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055993.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10111982 is about 3179.9342760504. The cubic root of 10111982 is about 216.2446787201.

The spelling of 10111982 in words is "ten million, one hundred eleven thousand, nine hundred eighty-two".