5551100005551 has 16 divisors (see below), whose sum is σ = 7436544267264. Its totient is φ = 3683202966144.

The previous prime is 5551100005541. The next prime is 5551100005571. The reversal of 5551100005551 is 1555000011555.

It is not a de Polignac number, because 5551100005551 - 2¹⁴ = 5551099989167 is a prime.

It is a super-2 number, since 2×5551100005551² (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 (5551100005541) 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, 1589415 + ... + 3691671.

It is an arithmetic number, because the mean of its divisors is an integer number (464784016704).

Almost surely, 2^{5551100005551} is an apocalyptic number.

5551100005551 is a deficient number, since it is larger than the sum of its proper divisors (1885444261713).

5551100005551 is a wasteful number, since it uses less digits than its factorization.

5551100005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106430.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 5551100005551 in words is "five trillion, five hundred fifty-one billion, one hundred million, five thousand, five hundred fifty-one".