1051321330260 has 72 divisors (see below), whose sum is σ = 3229375269120. Its totient is φ = 276803587008.

The previous prime is 1051321330253. The next prime is 1051321330261. The reversal of 1051321330260 is 620331231501.

1051321330260 is a `hidden beast` number, since 1 + 0 + 5 + 1 + 321 + 330 + 2 + 6 + 0 = 666.

1051321330260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051321330260² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051321330261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36952072 + ... + 36980511.

Almost surely, 2^{1051321330260} is an apocalyptic number.

1051321330260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051321330260 is an abundant number, since it is smaller than the sum of its proper divisors (2178053938860).

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

1051321330260 is a wasteful number, since it uses less digits than its factorization.

1051321330260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73932677 (or 73932672 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1051321330260 its reverse (620331231501), we get a palindrome (1671652561761).

The spelling of 1051321330260 in words is "one trillion, fifty-one billion, three hundred twenty-one million, three hundred thirty thousand, two hundred sixty".