11471047042 has 48 divisors (see below), whose sum is σ = 22414484160. Its totient is φ = 4299137856.

The previous prime is 11471047039. The next prime is 11471047073. The reversal of 11471047042 is 24074017411.

It is a junction number, because it is equal to n+sod(n) for n = 11471046995 and 11471047013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82633 + ... + 172540.

It is an arithmetic number, because the mean of its divisors is an integer number (466968420).

Almost surely, 2^11471047042 is an apocalyptic number.

11471047042 is a deficient number, since it is larger than the sum of its proper divisors (10943437118).

11471047042 is a wasteful number, since it uses less digits than its factorization.

11471047042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255227 (or 255214 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The spelling of 11471047042 in words is "eleven billion, four hundred seventy-one million, forty-seven thousand, forty-two".