1115306253 has 40 divisors (see below), whose sum is σ = 1691289600. Its totient is φ = 732382560.

The previous prime is 1115306237. The next prime is 1115306293. The reversal of 1115306253 is 3526035111.

1115306253 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 30 + 625 + 3 = 666.

It is not a de Polignac number, because 1115306253 - 2⁴ = 1115306237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115306293) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1861648 + ... + 1862246.

It is an arithmetic number, because the mean of its divisors is an integer number (42282240).

Almost surely, 2^1115306253 is an apocalyptic number.

It is an amenable number.

1115306253 is a deficient number, since it is larger than the sum of its proper divisors (575983347).

1115306253 is a wasteful number, since it uses less digits than its factorization.

1115306253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1115306253 is about 33396.2011761817. The cubic root of 1115306253 is about 1037.0460596626.

The spelling of 1115306253 in words is "one billion, one hundred fifteen million, three hundred six thousand, two hundred fifty-three".