1050131008081 has 9 divisors (see below), whose sum is σ = 1053477203419. Its totient is φ = 1046795417536.

The previous prime is 1050131008067. The next prime is 1050131008193. The reversal of 1050131008081 is 1808001310501.

The square root of 1050131008081 is 1024759.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 426637580625 + 623493427456 = 653175^2 + 789616^2 .

It is not a de Polignac number, because 1050131008081 - 2¹³ = 1050130999889 is a prime.

It is a super-2 number, since 2×1050131008081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050131006081) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 361738476 + ... + 361741378.

Almost surely, 2^{1050131008081} is an apocalyptic number.

1050131008081 is the 1024759-th square number.

1050131008081 is the 512380-th centered octagonal number.

It is an amenable number.

1050131008081 is a deficient number, since it is larger than the sum of its proper divisors (3346195338).

1050131008081 is an frugal number, since it uses more digits than its factorization.

1050131008081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512 (or 3256 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 28.

Adding to 1050131008081 its reverse (1808001310501), we get a palindrome (2858132318582).

The spelling of 1050131008081 in words is "one trillion, fifty billion, one hundred thirty-one million, eight thousand, eighty-one".