91927454511 has 8 divisors (see below), whose sum is σ = 124579282864. Its totient is φ = 60280297920.

The previous prime is 91927454477. The next prime is 91927454603. The reversal of 91927454511 is 11545472919.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91927454511 - 2⁶ = 91927454447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91927454011) 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, 251167726 + ... + 251168091.

It is an arithmetic number, because the mean of its divisors is an integer number (15572410358).

Almost surely, 2^91927454511 is an apocalyptic number.

91927454511 is a deficient number, since it is larger than the sum of its proper divisors (32651828353).

91927454511 is a wasteful number, since it uses less digits than its factorization.

91927454511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502335881.

The product of its digits is 453600, while the sum is 48.

The spelling of 91927454511 in words is "ninety-one billion, nine hundred twenty-seven million, four hundred fifty-four thousand, five hundred eleven".