1091711255434 has 32 divisors (see below), whose sum is σ = 1714530240000. Its totient is φ = 520364216064.

The previous prime is 1091711255429. The next prime is 1091711255443. The reversal of 1091711255434 is 4345521171901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16802242 + ... + 16867090.

It is an arithmetic number, because the mean of its divisors is an integer number (53579070000).

Almost surely, 2^{1091711255434} is an apocalyptic number.

1091711255434 is a deficient number, since it is larger than the sum of its proper divisors (622818984566).

1091711255434 is a wasteful number, since it uses less digits than its factorization.

1091711255434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66102.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 1091711255434 in words is "one trillion, ninety-one billion, seven hundred eleven million, two hundred fifty-five thousand, four hundred thirty-four".