1091432026408 has 32 divisors (see below), whose sum is σ = 2051146935360. Its totient is φ = 544460590080.

The previous prime is 1091432026403. The next prime is 1091432026439. The reversal of 1091432026408 is 8046202341901.

1091432026408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1091432026403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8164023 + ... + 8296633.

It is an arithmetic number, because the mean of its divisors is an integer number (64098341730).

Almost surely, 2^{1091432026408} is an apocalyptic number.

It is an amenable number.

1091432026408 is a deficient number, since it is larger than the sum of its proper divisors (959714908952).

1091432026408 is a wasteful number, since it uses less digits than its factorization.

1091432026408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134977 (or 134973 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1091432026408 in words is "one trillion, ninety-one billion, four hundred thirty-two million, twenty-six thousand, four hundred eight".