11481937418 has 16 divisors (see below), whose sum is σ = 20318267904. Its totient is φ = 4762093680.

The previous prime is 11481937417. The next prime is 11481937457. The reversal of 11481937418 is 81473918411.

It is not an unprimeable number, because it can be changed into a prime (11481937417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13227605 + ... + 13228472.

It is an arithmetic number, because the mean of its divisors is an integer number (1269891744).

Almost surely, 2^11481937418 is an apocalyptic number.

11481937418 is a deficient number, since it is larger than the sum of its proper divisors (8836330486).

11481937418 is a wasteful number, since it uses less digits than its factorization.

11481937418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26456117.

The product of its digits is 193536, while the sum is 47.

The spelling of 11481937418 in words is "eleven billion, four hundred eighty-one million, nine hundred thirty-seven thousand, four hundred eighteen".