5655521511 has 12 divisors (see below), whose sum is σ = 8170431360. Its totient is φ = 3769727040.

The previous prime is 5655521483. The next prime is 5655521539. The reversal of 5655521511 is 1151255565.

5655521511 is a `hidden beast` number, since 56 + 5 + 552 + 1 + 51 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5655521483) and next prime (5655521539).

It is not a de Polignac number, because 5655521511 - 2¹³ = 5655513319 is a prime.

It is a super-2 number, since 2×5655521511² = 63969847122767446242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655521581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9850 + ... + 106808.

It is an arithmetic number, because the mean of its divisors is an integer number (680869280).

Almost surely, 2^5655521511 is an apocalyptic number.

5655521511 is a deficient number, since it is larger than the sum of its proper divisors (2514909849).

5655521511 is a wasteful number, since it uses less digits than its factorization.

5655521511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103446 (or 103443 counting only the distinct ones).

The product of its digits is 37500, while the sum is 36.

The square root of 5655521511 is about 75203.2014677567. The cubic root of 5655521511 is about 1781.6574965169.

The spelling of 5655521511 in words is "five billion, six hundred fifty-five million, five hundred twenty-one thousand, five hundred eleven".