111440662436 has 24 divisors (see below), whose sum is σ = 195612635064. Its totient is φ = 55551444480.

The previous prime is 111440662391. The next prime is 111440662457. The reversal of 111440662436 is 634266044111.

It can be written as a sum of positive squares in 4 ways, for example, as 65127040000 + 46313622436 = 255200^2 + 215206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111440662436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841996 + ... + 4864956.

It is an arithmetic number, because the mean of its divisors is an integer number (8150526461).

Almost surely, 2^111440662436 is an apocalyptic number.

It is an amenable number.

111440662436 is a deficient number, since it is larger than the sum of its proper divisors (84171972628).

111440662436 is a wasteful number, since it uses less digits than its factorization.

111440662436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26591 (or 26589 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 111440662436 in words is "one hundred eleven billion, four hundred forty million, six hundred sixty-two thousand, four hundred thirty-six".