1115425133 has 4 divisors (see below), whose sum is σ = 1116020640. Its totient is φ = 1114829628.

The previous prime is 1115425127. The next prime is 1115425139. The reversal of 1115425133 is 3315245111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3315245111 = 34253 ⋅96787.

It is an interprime number because it is at equal distance from previous prime (1115425127) and next prime (1115425139).

It is a cyclic number.

It is not a de Polignac number, because 1115425133 - 2³⁰ = 41683309 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 (1115425139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294935 + ... + 298692.

It is an arithmetic number, because the mean of its divisors is an integer number (279005160).

Almost surely, 2^1115425133 is an apocalyptic number.

It is an amenable number.

1115425133 is a deficient number, since it is larger than the sum of its proper divisors (595507).

1115425133 is an equidigital number, since it uses as much as digits as its factorization.

1115425133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595506.

The product of its digits is 1800, while the sum is 26.

The square root of 1115425133 is about 33397.9809719091. The cubic root of 1115425133 is about 1037.0829044471.

The spelling of 1115425133 in words is "one billion, one hundred fifteen million, four hundred twenty-five thousand, one hundred thirty-three".