10881232540591 has 16 divisors (see below), whose sum is σ = 12455078676480. Its totient is φ = 9312233666400.

The previous prime is 10881232540589. The next prime is 10881232540601. The reversal of 10881232540591 is 19504523218801.

It is not a de Polignac number, because 10881232540591 - 2¹ = 10881232540589 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 (10881232540571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211051266 + ... + 211102816.

It is an arithmetic number, because the mean of its divisors is an integer number (778442417280).

Almost surely, 2^{10881232540591} is an apocalyptic number.

10881232540591 is a deficient number, since it is larger than the sum of its proper divisors (1573846135889).

10881232540591 is an equidigital number, since it uses as much as digits as its factorization.

10881232540591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97974.

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 10881232540591 in words is "ten trillion, eight hundred eighty-one billion, two hundred thirty-two million, five hundred forty thousand, five hundred ninety-one".