1115525453 has 8 divisors (see below), whose sum is σ = 1275277440. Its totient is φ = 955871280.

The previous prime is 1115525447. The next prime is 1115525471. The reversal of 1115525453 is 3545255111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1115525453 - 2⁸ = 1115525197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115525053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883 + ... + 47271.

It is an arithmetic number, because the mean of its divisors is an integer number (159409680).

Almost surely, 2^1115525453 is an apocalyptic number.

It is an amenable number.

1115525453 is a deficient number, since it is larger than the sum of its proper divisors (159751987).

1115525453 is an equidigital number, since it uses as much as digits as its factorization.

1115525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48907.

The product of its digits is 15000, while the sum is 32.

The square root of 1115525453 is about 33399.4828253373. The cubic root of 1115525453 is about 1037.1139948463.

The spelling of 1115525453 in words is "one billion, one hundred fifteen million, five hundred twenty-five thousand, four hundred fifty-three".