111361010440 has 16 divisors (see below), whose sum is σ = 250562273580. Its totient is φ = 44544404160.

The previous prime is 111361010413. The next prime is 111361010503. The reversal of 111361010440 is 44010163111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93522202596 + 17838807844 = 305814^2 + 133562^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392012591 + ... + 1392012670.

Almost surely, 2^111361010440 is an apocalyptic number.

111361010440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111361010440 is an abundant number, since it is smaller than the sum of its proper divisors (139201263140).

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

111361010440 is a wasteful number, since it uses less digits than its factorization.

111361010440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784025272 (or 2784025268 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111361010440 its reverse (44010163111), we get a palindrome (155371173551).

The spelling of 111361010440 in words is "one hundred eleven billion, three hundred sixty-one million, ten thousand, four hundred forty".