3551540881086 has 96 divisors (see below), whose sum is σ = 8831206051200. Its totient is φ = 1021501131840.

The previous prime is 3551540881051. The next prime is 3551540881087. The reversal of 3551540881086 is 6801880451553.

3551540881086 is a `hidden beast` number, since 3 + 5 + 5 + 1 + 540 + 8 + 8 + 10 + 86 = 666.

It is a super-2 number, since 2×3551540881086² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551540881087) 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 47 ways as a sum of consecutive naturals, for example, 4902916 + ... + 5580471.

It is an arithmetic number, because the mean of its divisors is an integer number (91991729700).

Almost surely, 2^{3551540881086} is an apocalyptic number.

3551540881086 is an abundant number, since it is smaller than the sum of its proper divisors (5279665170114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3551540881086 is a wasteful number, since it uses less digits than its factorization.

3551540881086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483494 (or 10483491 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 54.

The spelling of 3551540881086 in words is "three trillion, five hundred fifty-one billion, five hundred forty million, eight hundred eighty-one thousand, eighty-six".