1113225545541 has 4 divisors (see below), whose sum is σ = 1484300727392. Its totient is φ = 742150363692.

The previous prime is 1113225545519. The next prime is 1113225545543. The reversal of 1113225545541 is 1455455223111.

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 1113225545541 - 2⁷ = 1113225545413 is a prime.

It is a super-2 number, since 2×1113225545541² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113225545541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113225545543) 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, 185537590921 + ... + 185537590926.

It is an arithmetic number, because the mean of its divisors is an integer number (371075181848).

Almost surely, 2^{1113225545541} is an apocalyptic number.

It is an amenable number.

1113225545541 is a deficient number, since it is larger than the sum of its proper divisors (371075181851).

1113225545541 is an equidigital number, since it uses as much as digits as its factorization.

1113225545541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371075181850.

The product of its digits is 120000, while the sum is 39.

The spelling of 1113225545541 in words is "one trillion, one hundred thirteen billion, two hundred twenty-five million, five hundred forty-five thousand, five hundred forty-one".