1115425311 has 48 divisors (see below), whose sum is σ = 2012032512. Its totient is φ = 534853440.

The previous prime is 1115425309. The next prime is 1115425357. The reversal of 1115425311 is 1135245111.

It is not a de Polignac number, because 1115425311 - 2¹ = 1115425309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115425391) 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, 16150 + ... + 49916.

It is an arithmetic number, because the mean of its divisors is an integer number (41917344).

Almost surely, 2^1115425311 is an apocalyptic number.

1115425311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1115425311 is a deficient number, since it is larger than the sum of its proper divisors (896607201).

1115425311 is a wasteful number, since it uses less digits than its factorization.

1115425311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33812 (or 33801 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 1115425311 is about 33397.9836367407. The cubic root of 1115425311 is about 1037.0829596131.

It can be divided in two parts, 1115 and 425311, that added together give a triangular number (426426 = T₉₂₃).

The spelling of 1115425311 in words is "one billion, one hundred fifteen million, four hundred twenty-five thousand, three hundred eleven".