105232790991 has 32 divisors (see below), whose sum is σ = 148804927488. Its totient is φ = 66049261920.

The previous prime is 105232790989. The next prime is 105232791023. The reversal of 105232790991 is 199097232501.

It is not a de Polignac number, because 105232790991 - 2¹ = 105232790989 is a prime.

It is a super-2 number, since 2×105232790991² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105232790991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105232790911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657876 + ... + 802038.

It is an arithmetic number, because the mean of its divisors is an integer number (4650153984).

Almost surely, 2^105232790991 is an apocalyptic number.

105232790991 is a deficient number, since it is larger than the sum of its proper divisors (43572136497).

105232790991 is a wasteful number, since it uses less digits than its factorization.

105232790991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144411.

The product of its (nonzero) digits is 306180, while the sum is 48.

The spelling of 105232790991 in words is "one hundred five billion, two hundred thirty-two million, seven hundred ninety thousand, nine hundred ninety-one".