111277419632641 has 4 divisors (see below), whose sum is σ = 111892212006484. Its totient is φ = 110662627258800.

The previous prime is 111277419632623. The next prime is 111277419632651. The reversal of 111277419632641 is 146236914772111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59736219824241 + 51541199808400 = 7728921^2 + 7179220^2 .

It is a cyclic number.

It is not a de Polignac number, because 111277419632641 - 2¹⁹ = 111277419108353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111277419632611) 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, 307396186650 + ... + 307396187011.

It is an arithmetic number, because the mean of its divisors is an integer number (27973053001621).

Almost surely, 2^{111277419632641} is an apocalyptic number.

It is an amenable number.

111277419632641 is a deficient number, since it is larger than the sum of its proper divisors (614792373843).

111277419632641 is an equidigital number, since it uses as much as digits as its factorization.

111277419632641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614792373842.

The product of its digits is 3048192, while the sum is 55.

The spelling of 111277419632641 in words is "one hundred eleven trillion, two hundred seventy-seven billion, four hundred nineteen million, six hundred thirty-two thousand, six hundred forty-one".