111152446406 has 4 divisors (see below), whose sum is σ = 166728669612. Its totient is φ = 55576223202.

The previous prime is 111152446399. The next prime is 111152446411. The reversal of 111152446406 is 604644251111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604644251111 = 449 ⋅1346646439.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27788111600 + ... + 27788111603.

It is an arithmetic number, because the mean of its divisors is an integer number (41682167403).

Almost surely, 2^111152446406 is an apocalyptic number.

111152446406 is a deficient number, since it is larger than the sum of its proper divisors (55576223206).

111152446406 is an equidigital number, since it uses as much as digits as its factorization.

111152446406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55576223205.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 111152446406 its reverse (604644251111), we get a palindrome (715796697517).

The spelling of 111152446406 in words is "one hundred eleven billion, one hundred fifty-two million, four hundred forty-six thousand, four hundred six".