1111429412887 has 4 divisors (see below), whose sum is σ = 1112488927200. Its totient is φ = 1110369898576.

The previous prime is 1111429412867. The next prime is 1111429412927. The reversal of 1111429412887 is 7882149241111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111429412887 - 2⁷ = 1111429412759 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111429412887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111429412837) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 529755583 + ... + 529757680.

It is an arithmetic number, because the mean of its divisors is an integer number (278122231800).

Almost surely, 2^{1111429412887} is an apocalyptic number.

1111429412887 is a deficient number, since it is larger than the sum of its proper divisors (1059514313).

1111429412887 is a wasteful number, since it uses less digits than its factorization.

1111429412887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059514312.

The product of its digits is 258048, while the sum is 49.

The spelling of 1111429412887 in words is "one trillion, one hundred eleven billion, four hundred twenty-nine million, four hundred twelve thousand, eight hundred eighty-seven".