11774485745 has 32 divisors (see below), whose sum is σ = 15819408000. Its totient is φ = 8340641280.

The previous prime is 11774485693. The next prime is 11774485769. The reversal of 11774485745 is 54758447711.

It is not a de Polignac number, because 11774485745 - 2¹⁰ = 11774484721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337061 + ... + 370349.

It is an arithmetic number, because the mean of its divisors is an integer number (494356500).

Almost surely, 2^11774485745 is an apocalyptic number.

It is an amenable number.

11774485745 is a deficient number, since it is larger than the sum of its proper divisors (4044922255).

11774485745 is a wasteful number, since it uses less digits than its factorization.

11774485745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33473.

The product of its digits is 4390400, while the sum is 53.

The spelling of 11774485745 in words is "eleven billion, seven hundred seventy-four million, four hundred eighty-five thousand, seven hundred forty-five".