3551240881245 has 16 divisors (see below), whose sum is σ = 5711734029312. Its totient is φ = 1884078930240.

The previous prime is 3551240881217. The next prime is 3551240881261. The reversal of 3551240881245 is 5421880421553.

It is not a de Polignac number, because 3551240881245 - 2⁵ = 3551240881213 is a prime.

It is a super-2 number, since 2×3551240881245² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3551240881194 and 3551240881203.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 619759942 + ... + 619765671.

It is an arithmetic number, because the mean of its divisors is an integer number (356983376832).

Almost surely, 2^{3551240881245} is an apocalyptic number.

It is an amenable number.

3551240881245 is a deficient number, since it is larger than the sum of its proper divisors (2160493148067).

3551240881245 is a wasteful number, since it uses less digits than its factorization.

3551240881245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239525812.

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 3551240881245 in words is "three trillion, five hundred fifty-one billion, two hundred forty million, eight hundred eighty-one thousand, two hundred forty-five".