1025504540141 has 4 divisors (see below), whose sum is σ = 1025515754592. Its totient is φ = 1025493325692.

The previous prime is 1025504540129. The next prime is 1025504540213. The reversal of 1025504540141 is 1410454055201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1025504540141 - 2¹⁰ = 1025504539117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1025504540098 and 1025504540107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025504540941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5468921 + ... + 5653326.

It is an arithmetic number, because the mean of its divisors is an integer number (256378938648).

Almost surely, 2^{1025504540141} is an apocalyptic number.

It is an amenable number.

1025504540141 is a deficient number, since it is larger than the sum of its proper divisors (11214451).

1025504540141 is an equidigital number, since it uses as much as digits as its factorization.

1025504540141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11214450.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 1025504540141 its reverse (1410454055201), we get a palindrome (2435958595342).

The spelling of 1025504540141 in words is "one trillion, twenty-five billion, five hundred four million, five hundred forty thousand, one hundred forty-one".