10691011191 has 16 divisors (see below), whose sum is σ = 16299360000. Its totient is φ = 6106038528.

The previous prime is 10691011189. The next prime is 10691011193. The reversal of 10691011191 is 19111019601.

It is an interprime number because it is at equal distance from previous prime (10691011189) and next prime (10691011193).

It is not a de Polignac number, because 10691011191 - 2¹ = 10691011189 is a prime.

It is a super-2 number, since 2×10691011191² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10691011193) 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, 87066 + ... + 170183.

It is an arithmetic number, because the mean of its divisors is an integer number (1018710000).

Almost surely, 2^10691011191 is an apocalyptic number.

10691011191 is a deficient number, since it is larger than the sum of its proper divisors (5608348809).

10691011191 is a wasteful number, since it uses less digits than its factorization.

10691011191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259238.

The product of its (nonzero) digits is 486, while the sum is 30.

The spelling of 10691011191 in words is "ten billion, six hundred ninety-one million, eleven thousand, one hundred ninety-one".