11285005574 has 4 divisors (see below), whose sum is σ = 16927508364. Its totient is φ = 5642502786.

The previous prime is 11285005531. The next prime is 11285005621. The reversal of 11285005574 is 47550058211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47550058211 = 61 ⋅779509151.

It is a super-2 number, since 2×11285005574² (a number of 21 digits) contains 22 as substring.

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, 2821251392 + ... + 2821251395.

It is an arithmetic number, because the mean of its divisors is an integer number (4231877091).

Almost surely, 2^11285005574 is an apocalyptic number.

11285005574 is a deficient number, since it is larger than the sum of its proper divisors (5642502790).

11285005574 is an equidigital number, since it uses as much as digits as its factorization.

11285005574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642502789.

The product of its (nonzero) digits is 56000, while the sum is 38.

The spelling of 11285005574 in words is "eleven billion, two hundred eighty-five million, five thousand, five hundred seventy-four".