10111711989 has 8 divisors (see below), whose sum is σ = 13495114912. Its totient is φ = 6734725200.

The previous prime is 10111711963. The next prime is 10111711993. The reversal of 10111711989 is 98911711101.

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

It is not a de Polignac number, because 10111711989 - 2¹¹ = 10111709941 is a prime.

It is a super-2 number, since 2×10111711989² (a number of 21 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 (10111711189) 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, 1600354 + ... + 1606659.

It is an arithmetic number, because the mean of its divisors is an integer number (1686889364).

Almost surely, 2^10111711989 is an apocalyptic number.

It is an amenable number.

10111711989 is a deficient number, since it is larger than the sum of its proper divisors (3383402923).

10111711989 is a wasteful number, since it uses less digits than its factorization.

10111711989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208067.

The product of its (nonzero) digits is 4536, while the sum is 39.

The spelling of 10111711989 in words is "ten billion, one hundred eleven million, seven hundred eleven thousand, nine hundred eighty-nine".