3551886870551 has 4 divisors (see below), whose sum is σ = 3706316734512. Its totient is φ = 3397457006592.

The previous prime is 3551886870533. The next prime is 3551886870557. The reversal of 3551886870551 is 1550786881553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3551886870551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551886870557) 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 3 ways as a sum of consecutive naturals, for example, 77214931946 + ... + 77214931991.

It is an arithmetic number, because the mean of its divisors is an integer number (926579183628).

Almost surely, 2^{3551886870551} is an apocalyptic number.

3551886870551 is a deficient number, since it is larger than the sum of its proper divisors (154429863961).

3551886870551 is a wasteful number, since it uses less digits than its factorization.

3551886870551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154429863960.

The product of its (nonzero) digits is 40320000, while the sum is 62.

The spelling of 3551886870551 in words is "three trillion, five hundred fifty-one billion, eight hundred eighty-six million, eight hundred seventy thousand, five hundred fifty-one".