3551454144015 has 64 divisors (see below), whose sum is σ = 6136141132800. Its totient is φ = 1747331815424.

The previous prime is 3551454143989. The next prime is 3551454144019. The reversal of 3551454144015 is 5104414541553.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3551454144015 - 2⁸ = 3551454143759 is a prime.

It is a super-2 number, since 2×3551454144015² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551454144019) 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, 13642846 + ... + 13900724.

It is an arithmetic number, because the mean of its divisors is an integer number (95877205200).

Almost surely, 2^{3551454144015} is an apocalyptic number.

3551454144015 is a deficient number, since it is larger than the sum of its proper divisors (2584686988785).

3551454144015 is a wasteful number, since it uses less digits than its factorization.

3551454144015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258976.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 3551454144015 its reverse (5104414541553), we get a palindrome (8655868685568).

The spelling of 3551454144015 in words is "three trillion, five hundred fifty-one billion, four hundred fifty-four million, one hundred forty-four thousand, fifteen".