11515824045 has 96 divisors (see below), whose sum is σ = 22643712000. Its totient is φ = 5363452800.

The previous prime is 11515824029. The next prime is 11515824059. The reversal of 11515824045 is 54042851511.

It is not a de Polignac number, because 11515824045 - 2⁴ = 11515824029 is a prime.

It is a super-2 number, since 2×11515824045² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 2130256 + ... + 2135654.

It is an arithmetic number, because the mean of its divisors is an integer number (235872000).

Almost surely, 2^11515824045 is an apocalyptic number.

11515824045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11515824045 is a deficient number, since it is larger than the sum of its proper divisors (11127887955).

11515824045 is a wasteful number, since it uses less digits than its factorization.

11515824045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5588 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The spelling of 11515824045 in words is "eleven billion, five hundred fifteen million, eight hundred twenty-four thousand, forty-five".