3551361331401 has 64 divisors (see below), whose sum is σ = 5765743872000. Its totient is φ = 2147024335680.

The previous prime is 3551361331387. The next prime is 3551361331403. The reversal of 3551361331401 is 1041331631553.

3551361331401 is a `hidden beast` number, since 3 + 5 + 5 + 1 + 3 + 613 + 31 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 3551361331401 - 2¹⁵ = 3551361298633 is a prime.

It is a super-2 number, since 2×3551361331401² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551361331403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32479260 + ... + 32588418.

It is an arithmetic number, because the mean of its divisors is an integer number (90089748000).

Almost surely, 2^{3551361331401} is an apocalyptic number.

It is an amenable number.

3551361331401 is a deficient number, since it is larger than the sum of its proper divisors (2214382540599).

3551361331401 is a wasteful number, since it uses less digits than its factorization.

3551361331401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110811 (or 110805 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 3551361331401 its reverse (1041331631553), we get a palindrome (4592692962954).

The spelling of 3551361331401 in words is "three trillion, five hundred fifty-one billion, three hundred sixty-one million, three hundred thirty-one thousand, four hundred one".