1000605556101 has 16 divisors (see below), whose sum is σ = 1337888700288. Its totient is φ = 665197440000.

The previous prime is 1000605556037. The next prime is 1000605556127. The reversal of 1000605556101 is 1016555060001.

It is not a de Polignac number, because 1000605556101 - 2⁶ = 1000605556037 is a prime.

It is a super-2 number, since 2×1000605556101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000605556501) 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, 3740776 + ... + 3999326.

It is an arithmetic number, because the mean of its divisors is an integer number (83618043768).

Almost surely, 2^{1000605556101} is an apocalyptic number.

It is an amenable number.

1000605556101 is a deficient number, since it is larger than the sum of its proper divisors (337283144187).

1000605556101 is a wasteful number, since it uses less digits than its factorization.

1000605556101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262172.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 1000605556101 in words is "one trillion, six hundred five million, five hundred fifty-six thousand, one hundred one".