111561463442 has 32 divisors (see below), whose sum is σ = 208162410624. Its totient is φ = 44055532800.

The previous prime is 111561463397. The next prime is 111561463457. The reversal of 111561463442 is 244364165111.

It is a junction number, because it is equal to n+sod(n) for n = 111561463396 and 111561463405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11467934 + ... + 11477657.

It is an arithmetic number, because the mean of its divisors is an integer number (6505075332).

Almost surely, 2^111561463442 is an apocalyptic number.

111561463442 is a deficient number, since it is larger than the sum of its proper divisors (96600947182).

111561463442 is a wasteful number, since it uses less digits than its factorization.

111561463442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22945634.

The product of its digits is 69120, while the sum is 38.

The spelling of 111561463442 in words is "one hundred eleven billion, five hundred sixty-one million, four hundred sixty-three thousand, four hundred forty-two".