1135563473 has 4 divisors (see below), whose sum is σ = 1238796528. Its totient is φ = 1032330420.

The previous prime is 1135563463. The next prime is 1135563487. The reversal of 1135563473 is 3743655311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1135563473 - 2⁶ = 1135563409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135563463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51616511 + ... + 51616532.

It is an arithmetic number, because the mean of its divisors is an integer number (309699132).

Almost surely, 2^1135563473 is an apocalyptic number.

It is an amenable number.

1135563473 is a deficient number, since it is larger than the sum of its proper divisors (103233055).

1135563473 is a wasteful number, since it uses less digits than its factorization.

1135563473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103233054.

The product of its digits is 113400, while the sum is 38.

The square root of 1135563473 is about 33698.1226925181. The cubic root of 1135563473 is about 1043.2870215153.

The spelling of 1135563473 in words is "one billion, one hundred thirty-five million, five hundred sixty-three thousand, four hundred seventy-three".