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111010111111109 = 723087686905501
BaseRepresentation
bin11001001111011010001110…
…001111010011111111000101
3112120001110111111210212111202
4121033122032033103333011
5104022242201421023414
61032033201354312245
732245134016350620
oct3117321617237705
9476043444725452
10111010111111109
113240a13a770561
121054a605728685
1349c329328b482
141d5acbd190db7
15cc79639839de
hex64f68e3d3fc5

111010111111109 has 8 divisors (see below), whose sum is σ = 126874193841408. Its totient is φ = 95147402238000.

The previous prime is 111010111111093. The next prime is 111010111111153. The reversal of 111010111111109 is 901111111010111.

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

It is not a de Polignac number, because 111010111111109 - 24 = 111010111111093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010111116109) 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, 343291142 + ... + 343614359.

It is an arithmetic number, because the mean of its divisors is an integer number (15859274230176).

Almost surely, 2111010111111109 is an apocalyptic number.

It is an amenable number.

111010111111109 is a deficient number, since it is larger than the sum of its proper divisors (15864082730299).

111010111111109 is an equidigital number, since it uses as much as digits as its factorization.

111010111111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686928595.

The product of its (nonzero) digits is 9, while the sum is 20.

The spelling of 111010111111109 in words is "one hundred eleven trillion, ten billion, one hundred eleven million, one hundred eleven thousand, one hundred nine".

Divisors: 1 7 23087 161609 686905501 4808338507 15858587301587 111010111111109