11415023240 has 32 divisors (see below), whose sum is σ = 25687445760. Its totient is φ = 4565361600.

The previous prime is 11415023237. The next prime is 11415023261. The reversal of 11415023240 is 4232051411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347945 + ... + 379335.

It is an arithmetic number, because the mean of its divisors is an integer number (802732680).

Almost surely, 2^11415023240 is an apocalyptic number.

11415023240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11415023240 is an abundant number, since it is smaller than the sum of its proper divisors (14272422520).

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

11415023240 is a wasteful number, since it uses less digits than its factorization.

11415023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40493 (or 40489 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11415023240 its reverse (4232051411), we get a palindrome (15647074651).

The spelling of 11415023240 in words is "eleven billion, four hundred fifteen million, twenty-three thousand, two hundred forty".