1010001050556 has 24 divisors (see below), whose sum is σ = 2378289938640. Its totient is φ = 333578328192.

The previous prime is 1010001050537. The next prime is 1010001050587. The reversal of 1010001050556 is 6550501000101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386084721 + ... + 386087336.

It is an arithmetic number, because the mean of its divisors is an integer number (99095414110).

Almost surely, 2^{1010001050556} is an apocalyptic number.

It is an amenable number.

1010001050556 is an abundant number, since it is smaller than the sum of its proper divisors (1368288888084).

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

1010001050556 is a wasteful number, since it uses less digits than its factorization.

1010001050556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772172173 (or 772172171 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 1010001050556 its reverse (6550501000101), we get a palindrome (7560502050657).

The spelling of 1010001050556 in words is "one trillion, ten billion, one million, fifty thousand, five hundred fifty-six".