1125111504 has 80 divisors (see below), whose sum is σ = 3248167104. Its totient is φ = 332620800.

The previous prime is 1125111479. The next prime is 1125111517. The reversal of 1125111504 is 4051115211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4339 + ... + 47634.

Almost surely, 2^1125111504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125111504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624083552).

1125111504 is an abundant number, since it is smaller than the sum of its proper divisors (2123055600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125111504 is a wasteful number, since it uses less digits than its factorization.

1125111504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52036 (or 52030 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1125111504 is about 33542.6818248035. The cubic root of 1125111504 is about 1040.0762715266.

Adding to 1125111504 its reverse (4051115211), we get a palindrome (5176226715).

The spelling of 1125111504 in words is "one billion, one hundred twenty-five million, one hundred eleven thousand, five hundred four".