10989191850023 has 8 divisors (see below), whose sum is σ = 11479015333728. Its totient is φ = 10500371077504.

The previous prime is 10989191850001. The next prime is 10989191850061. The reversal of 10989191850023 is 32005819198901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10989191850023 is a prime.

It is a super-2 number, since 2×10989191850023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989191850083) 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, 250655390 + ... + 250699227.

It is an arithmetic number, because the mean of its divisors is an integer number (1434876916716).

Almost surely, 2^{10989191850023} is an apocalyptic number.

10989191850023 is a deficient number, since it is larger than the sum of its proper divisors (489823483705).

10989191850023 is an equidigital number, since it uses as much as digits as its factorization.

10989191850023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501355593.

The product of its (nonzero) digits is 1399680, while the sum is 56.

The spelling of 10989191850023 in words is "ten trillion, nine hundred eighty-nine billion, one hundred ninety-one million, eight hundred fifty thousand, twenty-three".