38555811855583 has 16 divisors (see below), whose sum is σ = 44623235543040. Its totient is φ = 32944498070400.

The previous prime is 38555811855557. The next prime is 38555811855601.

38555811855583 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38555811855583 is a prime.

It is a super-2 number, since 2×38555811855583² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38555811855503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726263098 + ... + 726316183.

It is an arithmetic number, because the mean of its divisors is an integer number (2788952221440).

Almost surely, 2^{38555811855583} is an apocalyptic number.

38555811855583 is a deficient number, since it is larger than the sum of its proper divisors (6067423687457).

38555811855583 is a wasteful number, since it uses less digits than its factorization.

38555811855583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452579438.

The product of its digits is 576000000, while the sum is 70.

The spelling of 38555811855583 in words is "thirty-eight trillion, five hundred fifty-five billion, eight hundred eleven million, eight hundred fifty-five thousand, five hundred eighty-three".