1054320661325 has 24 divisors (see below), whose sum is σ = 1315953202920. Its totient is φ = 837913190400.

The previous prime is 1054320661271. The next prime is 1054320661349. The reversal of 1054320661325 is 5231660234501.

It can be written as a sum of positive squares in 12 ways, for example, as 438544599529 + 615776061796 = 662227^2 + 784714^2 .

It is not a de Polignac number, because 1054320661325 - 2²⁸ = 1054052225869 is a prime.

It is a super-2 number, since 2×1054320661325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21331241 + ... + 21380609.

It is an arithmetic number, because the mean of its divisors is an integer number (54831383455).

Almost surely, 2^{1054320661325} is an apocalyptic number.

It is an amenable number.

1054320661325 is a deficient number, since it is larger than the sum of its proper divisors (261632541595).

1054320661325 is a wasteful number, since it uses less digits than its factorization.

1054320661325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54977 (or 54972 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 1054320661325 its reverse (5231660234501), we get a palindrome (6285980895826).

The spelling of 1054320661325 in words is "one trillion, fifty-four billion, three hundred twenty million, six hundred sixty-one thousand, three hundred twenty-five".