5551103405523 has 16 divisors (see below), whose sum is σ = 8012114717600. Its totient is φ = 3398363817984.

The previous prime is 5551103405509. The next prime is 5551103405581. The reversal of 5551103405523 is 3255043011555.

5551103405523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5551103405523 - 2¹⁰ = 5551103404499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551103400523) 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, 368738548 + ... + 368753601.

It is an arithmetic number, because the mean of its divisors is an integer number (500757169850).

Almost surely, 2^{5551103405523} is an apocalyptic number.

5551103405523 is a deficient number, since it is larger than the sum of its proper divisors (2461011312077).

5551103405523 is a wasteful number, since it uses less digits than its factorization.

5551103405523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737492358.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 5551103405523 in words is "five trillion, five hundred fifty-one billion, one hundred three million, four hundred five thousand, five hundred twenty-three".