91127045141 has 4 divisors (see below), whose sum is σ = 99411321984. Its totient is φ = 82842768300.

The previous prime is 91127045059. The next prime is 91127045197. The reversal of 91127045141 is 14154072119.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91127045141 - 2²⁶ = 91059936277 is a prime.

It is a super-2 number, since 2×91127045141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91127045041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4142138405 + ... + 4142138426.

It is an arithmetic number, because the mean of its divisors is an integer number (24852830496).

Almost surely, 2^91127045141 is an apocalyptic number.

It is an amenable number.

91127045141 is a deficient number, since it is larger than the sum of its proper divisors (8284276843).

91127045141 is a wasteful number, since it uses less digits than its factorization.

91127045141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284276842.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 91127045141 in words is "ninety-one billion, one hundred twenty-seven million, forty-five thousand, one hundred forty-one".