1020111525325 has 6 divisors (see below), whose sum is σ = 1264938291434. Its totient is φ = 816089220240.

The previous prime is 1020111525313. The next prime is 1020111525337. The reversal of 1020111525325 is 5235251110201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020111525313) and next prime (1020111525337).

It can be written as a sum of positive squares in 3 ways, for example, as 72489100644 + 947622424681 = 269238^2 + 973459^2 .

It is not a de Polignac number, because 1020111525325 - 2⁹ = 1020111524813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020111525293 and 1020111525302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20402230482 + ... + 20402230531.

Almost surely, 2^{1020111525325} is an apocalyptic number.

It is an amenable number.

1020111525325 is a deficient number, since it is larger than the sum of its proper divisors (244826766109).

1020111525325 is an equidigital number, since it uses as much as digits as its factorization.

1020111525325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40804461023 (or 40804461018 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 1020111525325 its reverse (5235251110201), we get a palindrome (6255362635526).

The spelling of 1020111525325 in words is "one trillion, twenty billion, one hundred eleven million, five hundred twenty-five thousand, three hundred twenty-five".