1111891400936 has 8 divisors (see below), whose sum is σ = 2084796376770. Its totient is φ = 555945700464.

The previous prime is 1111891400933. The next prime is 1111891400981. The reversal of 1111891400936 is 6390041981111.

It can be written as a sum of positive squares in only one way, i.e., 939329256100 + 172562144836 = 969190^2 + 415406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1111891400933) by changing a digit.

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 as a sum of consecutive naturals, namely, 69493212551 + ... + 69493212566.

Almost surely, 2^{1111891400936} is an apocalyptic number.

It is an amenable number.

1111891400936 is a deficient number, since it is larger than the sum of its proper divisors (972904975834).

1111891400936 is a wasteful number, since it uses less digits than its factorization.

1111891400936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138986425123 (or 138986425119 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 1111891400936 in words is "one trillion, one hundred eleven billion, eight hundred ninety-one million, four hundred thousand, nine hundred thirty-six".