1025170542431 has 8 divisors (see below), whose sum is σ = 1171637373984. Its totient is φ = 878707185120.

The previous prime is 1025170542427. The next prime is 1025170542437. The reversal of 1025170542431 is 1342450715201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025170542431 - 2² = 1025170542427 is a prime.

It is a super-2 number, since 2×1025170542431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025170542391 and 1025170542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025170542437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202160 + ... + 1446101.

It is an arithmetic number, because the mean of its divisors is an integer number (146454671748).

Almost surely, 2^{1025170542431} is an apocalyptic number.

1025170542431 is a deficient number, since it is larger than the sum of its proper divisors (146466831553).

1025170542431 is an equidigital number, since it uses as much as digits as its factorization.

1025170542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737121.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 1025170542431 in words is "one trillion, twenty-five billion, one hundred seventy million, five hundred forty-two thousand, four hundred thirty-one".