11125405445 has 32 divisors (see below), whose sum is σ = 17520814080. Its totient is φ = 6570296640.

The previous prime is 11125405439. The next prime is 11125405451. The reversal of 11125405445 is 54450452111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11125405439) and next prime (11125405451).

It is not a de Polignac number, because 11125405445 - 2⁸ = 11125405189 is a prime.

It is a congruent number.

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, 753137 + ... + 767766.

It is an arithmetic number, because the mean of its divisors is an integer number (547525440).

Almost surely, 2^11125405445 is an apocalyptic number.

It is an amenable number.

11125405445 is a deficient number, since it is larger than the sum of its proper divisors (6395408635).

11125405445 is a wasteful number, since it uses less digits than its factorization.

11125405445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520945.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 11125405445 its reverse (54450452111), we get a palindrome (65575857556).

The spelling of 11125405445 in words is "eleven billion, one hundred twenty-five million, four hundred five thousand, four hundred forty-five".