1051040020051 has 8 divisors (see below), whose sum is σ = 1201665087584. Its totient is φ = 900534075840.

The previous prime is 1051040020049. The next prime is 1051040020091. The reversal of 1051040020051 is 1500200401501.

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

It is not a de Polignac number, because 1051040020051 - 2¹ = 1051040020049 is a prime.

It is a super-2 number, since 2×1051040020051² (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 (1051040020001) 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, 29761920 + ... + 29797213.

It is an arithmetic number, because the mean of its divisors is an integer number (150208135948).

Almost surely, 2^{1051040020051} is an apocalyptic number.

1051040020051 is a deficient number, since it is larger than the sum of its proper divisors (150625067533).

1051040020051 is an equidigital number, since it uses as much as digits as its factorization.

1051040020051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59561661.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 1051040020051 its reverse (1500200401501), we get a palindrome (2551240421552).

The spelling of 1051040020051 in words is "one trillion, fifty-one billion, forty million, twenty thousand, fifty-one".