38803553551 has 4 divisors (see below), whose sum is σ = 44346918352. Its totient is φ = 33260188752.

The previous prime is 38803553549. The next prime is 38803553561. The reversal of 38803553551 is 15535530883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15535530883 = 13417 ⋅1157899.

It is not a de Polignac number, because 38803553551 - 2¹ = 38803553549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38803553561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2771682390 + ... + 2771682403.

It is an arithmetic number, because the mean of its divisors is an integer number (11086729588).

Almost surely, 2^38803553551 is an apocalyptic number.

38803553551 is a deficient number, since it is larger than the sum of its proper divisors (5543364801).

38803553551 is an equidigital number, since it uses as much as digits as its factorization.

38803553551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543364800.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 38803553551 in words is "thirty-eight billion, eight hundred three million, five hundred fifty-three thousand, five hundred fifty-one".