1115505015 has 32 divisors (see below), whose sum is σ = 1799193600. Its totient is φ = 590163840.

The previous prime is 1115504989. The next prime is 1115505049. The reversal of 1115505015 is 5105055111.

It is not a de Polignac number, because 1115505015 - 2⁵ = 1115504983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1358305 + ... + 1359125.

It is an arithmetic number, because the mean of its divisors is an integer number (56224800).

Almost surely, 2^1115505015 is an apocalyptic number.

1115505015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115505015 is a deficient number, since it is larger than the sum of its proper divisors (683688585).

1115505015 is a wasteful number, since it uses less digits than its factorization.

1115505015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1115505015 is about 33399.1768611144. The cubic root of 1115505015 is about 1037.1076610105.

The spelling of 1115505015 in words is "one billion, one hundred fifteen million, five hundred five thousand, fifteen".