91542871041 has 16 divisors (see below), whose sum is σ = 122546352384. Its totient is φ = 60784313984.

The previous prime is 91542871037. The next prime is 91542871061. The reversal of 91542871041 is 14017824519.

It is a cyclic number.

It is not a de Polignac number, because 91542871041 - 2² = 91542871037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91542870984 and 91542871002.

It is not an unprimeable number, because it can be changed into a prime (91542871061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1094200 + ... + 1174886.

It is an arithmetic number, because the mean of its divisors is an integer number (7659147024).

Almost surely, 2^91542871041 is an apocalyptic number.

It is an amenable number.

91542871041 is a deficient number, since it is larger than the sum of its proper divisors (31003481343).

91542871041 is a wasteful number, since it uses less digits than its factorization.

91542871041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82200.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 91542871041 in words is "ninety-one billion, five hundred forty-two million, eight hundred seventy-one thousand, forty-one".