6209706042555 has 32 divisors (see below), whose sum is σ = 9941891232000. Its totient is φ = 3309723407232.

The previous prime is 6209706042539. The next prime is 6209706042583. The reversal of 6209706042555 is 5552406079026.

It is a happy number.

It is not a de Polignac number, because 6209706042555 - 2⁴ = 6209706042539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6209706042498 and 6209706042507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166421241 + ... + 166458549.

It is an arithmetic number, because the mean of its divisors is an integer number (310684101000).

Almost surely, 2^{6209706042555} is an apocalyptic number.

6209706042555 is a deficient number, since it is larger than the sum of its proper divisors (3732185189445).

6209706042555 is a wasteful number, since it uses less digits than its factorization.

6209706042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44123.

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 6209706042555 in words is "six trillion, two hundred nine billion, seven hundred six million, forty-two thousand, five hundred fifty-five".