1140455525 has 48 divisors (see below), whose sum is σ = 1634895360. Its totient is φ = 780465600.

The previous prime is 1140455521. The next prime is 1140455527. The reversal of 1140455525 is 5255540411.

It is not a de Polignac number, because 1140455525 - 2² = 1140455521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140455491 and 1140455500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140455521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 871922 + ... + 873228.

It is an arithmetic number, because the mean of its divisors is an integer number (34060320).

Almost surely, 2^1140455525 is an apocalyptic number.

It is an amenable number.

1140455525 is a deficient number, since it is larger than the sum of its proper divisors (494439835).

1140455525 is a wasteful number, since it uses less digits than its factorization.

1140455525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 1140455525 is about 33770.6311015948. The cubic root of 1140455525 is about 1044.7830490611.

Adding to 1140455525 its reverse (5255540411), we get a palindrome (6395995936).

The spelling of 1140455525 in words is "one billion, one hundred forty million, four hundred fifty-five thousand, five hundred twenty-five".