91534011 has 8 divisors (see below), whose sum is σ = 122173440. Its totient is φ = 60958632.

The previous prime is 91533991. The next prime is 91534013. The reversal of 91534011 is 11043519.

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

It is not a de Polignac number, because 91534011 - 2¹¹ = 91531963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91534013) 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, 12571 + ... + 18468.

It is an arithmetic number, because the mean of its divisors is an integer number (15271680).

Almost surely, 2^91534011 is an apocalyptic number.

91534011 is a deficient number, since it is larger than the sum of its proper divisors (30639429).

91534011 is a wasteful number, since it uses less digits than its factorization.

91534011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32025.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 91534011 is about 9567.3408531316. The cubic root of 91534011 is about 450.6722643261.

The spelling of 91534011 in words is "ninety-one million, five hundred thirty-four thousand, eleven".