1001000954550 has 48 divisors (see below), whose sum is σ = 2535301158912. Its totient is φ = 261254148000.

The previous prime is 1001000954533. The next prime is 1001000954599. The reversal of 1001000954550 is 554590001001.

It is a super-2 number, since 2×1001000954550² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 70985926 + ... + 71000025.

It is an arithmetic number, because the mean of its divisors is an integer number (52818774144).

Almost surely, 2^{1001000954550} is an apocalyptic number.

1001000954550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001000954550 is an abundant number, since it is smaller than the sum of its proper divisors (1534300204362).

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

1001000954550 is a wasteful number, since it uses less digits than its factorization.

1001000954550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141986013 (or 141986008 counting only the distinct ones).

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

Adding to 1001000954550 its reverse (554590001001), we get a palindrome (1555590955551).

The spelling of 1001000954550 in words is "one trillion, one billion, nine hundred fifty-four thousand, five hundred fifty".