111554451350411 has 4 divisors (see below), whose sum is σ = 111554972771424. Its totient is φ = 111553929929400.

The previous prime is 111554451350389. The next prime is 111554451350431. The reversal of 111554451350411 is 114053154455111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111554451350411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111554451350431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260389460 + ... + 260817521.

It is an arithmetic number, because the mean of its divisors is an integer number (27888743192856).

Almost surely, 2^{111554451350411} is an apocalyptic number.

111554451350411 is a deficient number, since it is larger than the sum of its proper divisors (521421013).

111554451350411 is an equidigital number, since it uses as much as digits as its factorization.

111554451350411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521421012.

The product of its (nonzero) digits is 120000, while the sum is 41.

The spelling of 111554451350411 in words is "one hundred eleven trillion, five hundred fifty-four billion, four hundred fifty-one million, three hundred fifty thousand, four hundred eleven".