1000601565100 has 36 divisors (see below), whose sum is σ = 2172444407784. Its totient is φ = 400030670080.

The previous prime is 1000601565097. The next prime is 1000601565137. The reversal of 1000601565100 is 15651060001.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2432797 + ... + 2814196.

It is an arithmetic number, because the mean of its divisors is an integer number (60345677994).

Almost surely, 2^{1000601565100} is an apocalyptic number.

1000601565100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000601565100 is an abundant number, since it is smaller than the sum of its proper divisors (1171842842684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000601565100 is a wasteful number, since it uses less digits than its factorization.

1000601565100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248914 (or 5248907 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 1000601565100 in words is "one trillion, six hundred one million, five hundred sixty-five thousand, one hundred".