55015511500103 has 16 divisors (see below), whose sum is σ = 70444572117504. Its totient is φ = 41710601907360.

The previous prime is 55015511500087. The next prime is 55015511500109. The reversal of 55015511500103 is 30100511551055.

It is a cyclic number.

It is not a de Polignac number, because 55015511500103 - 2⁴ = 55015511500087 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 55015511500103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015511500109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9655229075 + ... + 9655234772.

It is an arithmetic number, because the mean of its divisors is an integer number (4402785757344).

Almost surely, 2^{55015511500103} is an apocalyptic number.

55015511500103 is a deficient number, since it is larger than the sum of its proper divisors (15429060617401).

55015511500103 is a wasteful number, since it uses less digits than its factorization.

55015511500103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310463902.

The product of its (nonzero) digits is 9375, while the sum is 32.

The spelling of 55015511500103 in words is "fifty-five trillion, fifteen billion, five hundred eleven million, five hundred thousand, one hundred three".