1115510253 has 24 divisors (see below), whose sum is σ = 1760617824. Its totient is φ = 624059040.

The previous prime is 1115510219. The next prime is 1115510303. The reversal of 1115510253 is 3520155111.

It is not a de Polignac number, because 1115510253 - 2¹³ = 1115502061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115510353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113475 + ... + 122912.

It is an arithmetic number, because the mean of its divisors is an integer number (73359076).

Almost surely, 2^1115510253 is an apocalyptic number.

1115510253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1115510253 is a deficient number, since it is larger than the sum of its proper divisors (645107571).

1115510253 is a wasteful number, since it uses less digits than its factorization.

1115510253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236425 (or 236414 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1115510253 is about 33399.2552761285. The cubic root of 1115510253 is about 1037.1092842996.

Adding to 1115510253 its reverse (3520155111), we get a palindrome (4635665364).

The spelling of 1115510253 in words is "one billion, one hundred fifteen million, five hundred ten thousand, two hundred fifty-three".