111421520045514 has 24 divisors (see below), whose sum is σ = 275900906779680. Its totient is φ = 31834720012968.

The previous prime is 111421520045401. The next prime is 111421520045533. The reversal of 111421520045514 is 415540025124111.

111421520045514 is a `hidden beast` number, since 1 + 1 + 1 + 42 + 1 + 520 + 0 + 45 + 51 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442148888944 + ... + 442148889195.

It is an arithmetic number, because the mean of its divisors is an integer number (11495871115820).

Almost surely, 2^{111421520045514} is an apocalyptic number.

111421520045514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111421520045514 is an abundant number, since it is smaller than the sum of its proper divisors (164479386734166).

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

111421520045514 is a wasteful number, since it uses less digits than its factorization.

111421520045514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884297778154 (or 884297778151 counting only the distinct ones).

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

Adding to 111421520045514 its reverse (415540025124111), we get a palindrome (526961545169625).

The spelling of 111421520045514 in words is "one hundred eleven trillion, four hundred twenty-one billion, five hundred twenty million, forty-five thousand, five hundred fourteen".