1055100556103 has 16 divisors (see below), whose sum is σ = 1154898729600. Its totient is φ = 955949752800.

The previous prime is 1055100556087. The next prime is 1055100556109. The reversal of 1055100556103 is 3016550015501.

It is a cyclic number.

It is not a de Polignac number, because 1055100556103 - 2⁴ = 1055100556087 is a prime.

It is a super-2 number, since 2×1055100556103² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055100556103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055100556109) 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, 58409693 + ... + 58427753.

It is an arithmetic number, because the mean of its divisors is an integer number (72181170600).

Almost surely, 2^{1055100556103} is an apocalyptic number.

1055100556103 is a deficient number, since it is larger than the sum of its proper divisors (99798173497).

1055100556103 is a wasteful number, since it uses less digits than its factorization.

1055100556103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35678.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 1055100556103 in words is "one trillion, fifty-five billion, one hundred million, five hundred fifty-six thousand, one hundred three".