4013112405551 has 4 divisors (see below), whose sum is σ = 4019353638552. Its totient is φ = 4006871172552.

The previous prime is 4013112405521. The next prime is 4013112405593. The reversal of 4013112405551 is 1555042113104.

4013112405551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4013112405551 - 2¹⁸ = 4013112143407 is a prime.

It is a super-2 number, since 2×4013112405551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013112405521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3120615536 + ... + 3120616821.

It is an arithmetic number, because the mean of its divisors is an integer number (1004838409638).

Almost surely, 2^{4013112405551} is an apocalyptic number.

4013112405551 is a deficient number, since it is larger than the sum of its proper divisors (6241233001).

4013112405551 is an equidigital number, since it uses as much as digits as its factorization.

4013112405551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241233000.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 4013112405551 its reverse (1555042113104), we get a palindrome (5568154518655).

The spelling of 4013112405551 in words is "four trillion, thirteen billion, one hundred twelve million, four hundred five thousand, five hundred fifty-one".