1025135343197 has 32 divisors (see below), whose sum is σ = 1237519200000. Its totient is φ = 847837585728.

The previous prime is 1025135343149. The next prime is 1025135343223. The reversal of 1025135343197 is 7913435315201.

It is a happy number.

It is not a de Polignac number, because 1025135343197 - 2²² = 1025131148893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025135343107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15673679 + ... + 15738947.

It is an arithmetic number, because the mean of its divisors is an integer number (38672475000).

Almost surely, 2^{1025135343197} is an apocalyptic number.

It is an amenable number.

1025135343197 is a deficient number, since it is larger than the sum of its proper divisors (212383856803).

1025135343197 is an equidigital number, since it uses as much as digits as its factorization.

1025135343197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66898 (or 66884 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 1025135343197 in words is "one trillion, twenty-five billion, one hundred thirty-five million, three hundred forty-three thousand, one hundred ninety-seven".