2601556302855 has 32 divisors (see below), whose sum is σ = 4222971244800. Its totient is φ = 1367437876992.

The previous prime is 2601556302811. The next prime is 2601556302857. The reversal of 2601556302855 is 5582036551062.

It is not a de Polignac number, because 2601556302855 - 2²³ = 2601547914247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601556302857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2763985 + ... + 3583674.

It is an arithmetic number, because the mean of its divisors is an integer number (131967851400).

Almost surely, 2^{2601556302855} is an apocalyptic number.

2601556302855 is a deficient number, since it is larger than the sum of its proper divisors (1621414941945).

2601556302855 is a wasteful number, since it uses less digits than its factorization.

2601556302855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348063.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 2601556302855 in words is "two trillion, six hundred one billion, five hundred fifty-six million, three hundred two thousand, eight hundred fifty-five".