11031219974 has 4 divisors (see below), whose sum is σ = 16546829964. Its totient is φ = 5515609986.

The previous prime is 11031219971. The next prime is 11031220001. The reversal of 11031219974 is 47991213011.

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

It is a super-2 number, since 2×11031219974² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031219971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757804992 + ... + 2757804995.

It is an arithmetic number, because the mean of its divisors is an integer number (4136707491).

Almost surely, 2^11031219974 is an apocalyptic number.

11031219974 is a deficient number, since it is larger than the sum of its proper divisors (5515609990).

11031219974 is an equidigital number, since it uses as much as digits as its factorization.

11031219974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515609989.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 11031219974 in words is "eleven billion, thirty-one million, two hundred nineteen thousand, nine hundred seventy-four".