3551540881123 has 2 divisors, whose sum is σ = 3551540881124. Its totient is φ = 3551540881122.

The previous prime is 3551540881087. The next prime is 3551540881139. The reversal of 3551540881123 is 3211880451553.

3551540881123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3551540881123 - 2⁹ = 3551540880611 is a prime.

It is a super-2 number, since 2×3551540881123² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3551540881523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775770440561 + 1775770440562.

It is an arithmetic number, because the mean of its divisors is an integer number (1775770440562).

Almost surely, 2^{3551540881123} is an apocalyptic number.

3551540881123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551540881123 is an equidigital number, since it uses as much as digits as its factorization.

3551540881123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 3551540881123 in words is "three trillion, five hundred fifty-one billion, five hundred forty million, eight hundred eighty-one thousand, one hundred twenty-three".