1115045373 has 16 divisors (see below), whose sum is σ = 1606804416. Its totient is φ = 683733120.

The previous prime is 1115045363. The next prime is 1115045383. The reversal of 1115045373 is 3735405111.

It is an interprime number because it is at equal distance from previous prime (1115045363) and next prime (1115045383).

It is not a de Polignac number, because 1115045373 - 2¹⁶ = 1114979837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115045373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115045303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39915 + ... + 61832.

It is an arithmetic number, because the mean of its divisors is an integer number (100425276).

Almost surely, 2^1115045373 is an apocalyptic number.

1115045373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1115045373 is a deficient number, since it is larger than the sum of its proper divisors (491759043).

1115045373 is a wasteful number, since it uses less digits than its factorization.

1115045373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102044.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 1115045373 is about 33392.2951142925. The cubic root of 1115045373 is about 1036.9651952745.

The spelling of 1115045373 in words is "one billion, one hundred fifteen million, forty-five thousand, three hundred seventy-three".