6555556511051 has 8 divisors (see below), whose sum is σ = 6668039081760. Its totient is φ = 6443686924992.

The previous prime is 6555556511027. The next prime is 6555556511081. The reversal of 6555556511051 is 1501156555556.

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

It is a de Polignac number, because none of the positive numbers 2^k-6555556511051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6555556511081) 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, 153224591 + ... + 153267368.

It is an arithmetic number, because the mean of its divisors is an integer number (833504885220).

Almost surely, 2^{6555556511051} is an apocalyptic number.

6555556511051 is a deficient number, since it is larger than the sum of its proper divisors (112482570709).

6555556511051 is a wasteful number, since it uses less digits than its factorization.

6555556511051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306492325.

The product of its (nonzero) digits is 2812500, while the sum is 50.

It can be divided in two parts, 6555556 and 511051, that added together give a palindrome (7066607).

The spelling of 6555556511051 in words is "six trillion, five hundred fifty-five billion, five hundred fifty-six million, five hundred eleven thousand, fifty-one".