1025135343241 has 4 divisors (see below), whose sum is σ = 1025156676112. Its totient is φ = 1025114010372.

The previous prime is 1025135343223. The next prime is 1025135343247. The reversal of 1025135343241 is 1423435315201.

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 1025135343241 - 2²¹ = 1025133246089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025135343197 and 1025135343206.

It is not an unprimeable number, because it can be changed into a prime (1025135343247) 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, 10594191 + ... + 10690516.

It is an arithmetic number, because the mean of its divisors is an integer number (256289169028).

Almost surely, 2^{1025135343241} is an apocalyptic number.

It is an amenable number.

1025135343241 is a deficient number, since it is larger than the sum of its proper divisors (21332871).

1025135343241 is an equidigital number, since it uses as much as digits as its factorization.

1025135343241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332870.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 1025135343241 in words is "one trillion, twenty-five billion, one hundred thirty-five million, three hundred forty-three thousand, two hundred forty-one".