1061000100603 has 24 divisors (see below), whose sum is σ = 1540438296800. Its totient is φ = 703696118400.

The previous prime is 1061000100521. The next prime is 1061000100617. The reversal of 1061000100603 is 3060010001601.

1061000100603 is a `hidden beast` number, since 1 + 0 + 61 + 0 + 0 + 0 + 1 + 0 + 0 + 603 = 666.

It is not a de Polignac number, because 1061000100603 - 2²⁰ = 1060999052027 is a prime.

It is a super-2 number, since 2×1061000100603² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061000100103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17702775 + ... + 17762607.

Almost surely, 2^{1061000100603} is an apocalyptic number.

1061000100603 is a deficient number, since it is larger than the sum of its proper divisors (479438196197).

1061000100603 is a wasteful number, since it uses less digits than its factorization.

1061000100603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69939 (or 69936 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 1061000100603 in words is "one trillion, sixty-one billion, one hundred thousand, six hundred three".