10111999969 has 8 divisors (see below), whose sum is σ = 10207554560. Its totient is φ = 10016694576.

The previous prime is 10111999907. The next prime is 10111999981. The reversal of 10111999969 is 96999911101.

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

It is a cyclic number.

It is not a de Polignac number, because 10111999969 - 2¹¹ = 10111997921 is a prime.

It is a super-2 number, since 2×10111999969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111999999) 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, 19747 + ... + 143575.

It is an arithmetic number, because the mean of its divisors is an integer number (1275944320).

Almost surely, 2^10111999969 is an apocalyptic number.

It is an amenable number.

10111999969 is a deficient number, since it is larger than the sum of its proper divisors (95554591).

10111999969 is a wasteful number, since it uses less digits than its factorization.

10111999969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124599.

The product of its (nonzero) digits is 354294, while the sum is 55.

The spelling of 10111999969 in words is "ten billion, one hundred eleven million, nine hundred ninety-nine thousand, nine hundred sixty-nine".