11540303500 has 96 divisors (see below), whose sum is σ = 28443804480. Its totient is φ = 4051712000.

The previous prime is 11540303447. The next prime is 11540303507. The reversal of 11540303500 is 530304511.

It is a happy number.

It is a super-2 number, since 2×11540303500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11540303507) 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 31 ways as a sum of consecutive naturals, for example, 123324 + ... + 195676.

It is an arithmetic number, because the mean of its divisors is an integer number (296289630).

Almost surely, 2^11540303500 is an apocalyptic number.

11540303500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11540303500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14221902240).

11540303500 is an abundant number, since it is smaller than the sum of its proper divisors (16903500980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11540303500 is a wasteful number, since it uses less digits than its factorization.

11540303500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72412 (or 72400 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 11540303500 in words is "eleven billion, five hundred forty million, three hundred three thousand, five hundred".