1000551022405 has 8 divisors (see below), whose sum is σ = 1309812247584. Its totient is φ = 727673470800.

The previous prime is 1000551022403. The next prime is 1000551022439. The reversal of 1000551022405 is 5042201550001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000551022405 - 2¹ = 1000551022403 is a prime.

It is a super-2 number, since 2×1000551022405² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000551022405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000551022403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9095918331 + ... + 9095918440.

It is an arithmetic number, because the mean of its divisors is an integer number (163726530948).

Almost surely, 2^{1000551022405} is an apocalyptic number.

It is an amenable number.

1000551022405 is a deficient number, since it is larger than the sum of its proper divisors (309261225179).

1000551022405 is a wasteful number, since it uses less digits than its factorization.

1000551022405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191836787.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 1000551022405 its reverse (5042201550001), we get a palindrome (6042752572406).

The spelling of 1000551022405 in words is "one trillion, five hundred fifty-one million, twenty-two thousand, four hundred five".