15011233240 has 64 divisors (see below), whose sum is σ = 36634368960. Its totient is φ = 5513441280.

The previous prime is 15011233231. The next prime is 15011233243. The reversal of 15011233240 is 4233211051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15011233243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241332 + ... + 297091.

It is an arithmetic number, because the mean of its divisors is an integer number (572412015).

Almost surely, 2^15011233240 is an apocalyptic number.

15011233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15011233240 is an abundant number, since it is smaller than the sum of its proper divisors (21623135720).

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

15011233240 is a wasteful number, since it uses less digits than its factorization.

15011233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538492 (or 538488 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 15011233240 its reverse (4233211051), we get a palindrome (19244444291).

The spelling of 15011233240 in words is "fifteen billion, eleven million, two hundred thirty-three thousand, two hundred forty".