1054120610581 has 2 divisors, whose sum is σ = 1054120610582. Its totient is φ = 1054120610580.

The previous prime is 1054120610579. The next prime is 1054120610591. The reversal of 1054120610581 is 1850160214501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906056496900 + 148064113681 = 951870^2 + 384791^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054120610581 - 2¹ = 1054120610579 is a prime.

It is a super-2 number, since 2×1054120610581² (a number of 25 digits) contains 22 as substring.

Together with 1054120610579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054120610531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527060305290 + 527060305291.

It is an arithmetic number, because the mean of its divisors is an integer number (527060305291).

Almost surely, 2^{1054120610581} is an apocalyptic number.

It is an amenable number.

1054120610581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054120610581 is an equidigital number, since it uses as much as digits as its factorization.

1054120610581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 1054120610581 in words is "one trillion, fifty-four billion, one hundred twenty million, six hundred ten thousand, five hundred eighty-one".