11452645545 has 32 divisors (see below), whose sum is σ = 20094787584. Its totient is φ = 5523710400.

The previous prime is 11452645543. The next prime is 11452645619. The reversal of 11452645545 is 54554625411.

It is a happy number.

It is not a de Polignac number, because 11452645545 - 2¹ = 11452645543 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11452645497 and 11452645506.

It is not an unprimeable number, because it can be changed into a prime (11452645543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150187 + ... + 213216.

It is an arithmetic number, because the mean of its divisors is an integer number (627962112).

Almost surely, 2^11452645545 is an apocalyptic number.

11452645545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11452645545 is a deficient number, since it is larger than the sum of its proper divisors (8642142039).

11452645545 is a wasteful number, since it uses less digits than its factorization.

11452645545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363613.

The product of its digits is 480000, while the sum is 42.

The spelling of 11452645545 in words is "eleven billion, four hundred fifty-two million, six hundred forty-five thousand, five hundred forty-five".