5551551151559 has 16 divisors (see below), whose sum is σ = 6417907156800. Its totient is φ = 4703547619584.

The previous prime is 5551551151513. The next prime is 5551551151613. The reversal of 5551551151559 is 9551511551555.

It is a cyclic number.

It is not a de Polignac number, because 5551551151559 - 2²⁰ = 5551550102983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551551151559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551551159559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631829 + ... + 3391505.

It is an arithmetic number, because the mean of its divisors is an integer number (401119197300).

Almost surely, 2^{5551551151559} is an apocalyptic number.

5551551151559 is a deficient number, since it is larger than the sum of its proper divisors (866356005241).

5551551151559 is a wasteful number, since it uses less digits than its factorization.

5551551151559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763002.

The product of its digits is 3515625, while the sum is 53.

The spelling of 5551551151559 in words is "five trillion, five hundred fifty-one billion, five hundred fifty-one million, one hundred fifty-one thousand, five hundred fifty-nine".