11121474535287 has 4 divisors (see below), whose sum is σ = 14828632713720. Its totient is φ = 7414316356856.

The previous prime is 11121474535273. The next prime is 11121474535289. The reversal of 11121474535287 is 78253547412111.

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

It is a cyclic number.

It is not a de Polignac number, because 11121474535287 - 2¹⁵ = 11121474502519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121474535289) 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, 1853579089212 + ... + 1853579089217.

It is an arithmetic number, because the mean of its divisors is an integer number (3707158178430).

Almost surely, 2^{11121474535287} is an apocalyptic number.

11121474535287 is a deficient number, since it is larger than the sum of its proper divisors (3707158178433).

11121474535287 is an equidigital number, since it uses as much as digits as its factorization.

11121474535287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707158178432.

The product of its digits is 1881600, while the sum is 51.

The spelling of 11121474535287 in words is "eleven trillion, one hundred twenty-one billion, four hundred seventy-four million, five hundred thirty-five thousand, two hundred eighty-seven".