1115901453 has 8 divisors (see below), whose sum is σ = 1493659008. Its totient is φ = 741039104.

The previous prime is 1115901443. The next prime is 1115901473. The reversal of 1115901453 is 3541095111.

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

It is a cyclic number.

It is not a de Polignac number, because 1115901453 - 2⁵ = 1115901421 is a prime.

It is a super-2 number, since 2×1115901453² = 2490472105615022418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1115901453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115901443) 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, 722901 + ... + 724442.

It is an arithmetic number, because the mean of its divisors is an integer number (186707376).

Almost surely, 2^1115901453 is an apocalyptic number.

It is an amenable number.

1115901453 is a deficient number, since it is larger than the sum of its proper divisors (377757555).

1115901453 is a wasteful number, since it uses less digits than its factorization.

1115901453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447603.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 1115901453 is about 33405.1111807759. Note that the first 4 decimals coincide. The cubic root of 1115901453 is about 1037.2305052783.

Adding to 1115901453 its reverse (3541095111), we get a palindrome (4656996564).

The spelling of 1115901453 in words is "one billion, one hundred fifteen million, nine hundred one thousand, four hundred fifty-three".