11111111009974 has 4 divisors (see below), whose sum is σ = 16666666514964. Its totient is φ = 5555555504986.

The previous prime is 11111111009963. The next prime is 11111111010059. The reversal of 11111111009974 is 47990011111111.

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, 2777777752492 + ... + 2777777752495.

It is an arithmetic number, because the mean of its divisors is an integer number (4166666628741).

Almost surely, 2^{11111111009974} is an apocalyptic number.

11111111009974 is a deficient number, since it is larger than the sum of its proper divisors (5555555504990).

11111111009974 is an equidigital number, since it uses as much as digits as its factorization.

11111111009974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555555504989.

The product of its (nonzero) digits is 2268, while the sum is 37.

The spelling of 11111111009974 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, nine thousand, nine hundred seventy-four".