2106269511 has 16 divisors (see below), whose sum is σ = 2923782624. Its totient is φ = 1347508224.

The previous prime is 2106269479. The next prime is 2106269533. The reversal of 2106269511 is 1159626012.

It is not a de Polignac number, because 2106269511 - 2⁵ = 2106269479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106269311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121866 + ... + 138071.

It is an arithmetic number, because the mean of its divisors is an integer number (182736414).

Almost surely, 2^2106269511 is an apocalyptic number.

2106269511 is a deficient number, since it is larger than the sum of its proper divisors (817513113).

2106269511 is a wasteful number, since it uses less digits than its factorization.

2106269511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260050.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2106269511 is about 45894.1119426011. Note that the first 3 decimals coincide. The cubic root of 2106269511 is about 1281.8522806440.

The spelling of 2106269511 in words is "two billion, one hundred six million, two hundred sixty-nine thousand, five hundred eleven".