11111265643432 has 16 divisors (see below), whose sum is σ = 20853830296800. Its totient is φ = 5550244230960.

The previous prime is 11111265643397. The next prime is 11111265643433. The reversal of 11111265643432 is 23434656211111.

It is not an unprimeable number, because it can be changed into a prime (11111265643433) 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, 673565082 + ... + 673581577.

It is an arithmetic number, because the mean of its divisors is an integer number (1303364393550).

Almost surely, 2^{11111265643432} is an apocalyptic number.

It is an amenable number.

11111265643432 is a deficient number, since it is larger than the sum of its proper divisors (9742564653368).

11111265643432 is a wasteful number, since it uses less digits than its factorization.

11111265643432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347147696 (or 1347147692 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 11111265643432 in words is "eleven trillion, one hundred eleven billion, two hundred sixty-five million, six hundred forty-three thousand, four hundred thirty-two".