1025170542428 has 12 divisors (see below), whose sum is σ = 1798660401720. Its totient is φ = 511267570512.

The previous prime is 1025170542427. The next prime is 1025170542437. The reversal of 1025170542428 is 8242450715201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025170542427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329423426 + ... + 329426537.

It is an arithmetic number, because the mean of its divisors is an integer number (149888366810).

Almost surely, 2^{1025170542428} is an apocalyptic number.

It is an amenable number.

1025170542428 is a deficient number, since it is larger than the sum of its proper divisors (773489859292).

1025170542428 is a wasteful number, since it uses less digits than its factorization.

1025170542428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658850356 (or 658850354 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 1025170542428 in words is "one trillion, twenty-five billion, one hundred seventy million, five hundred forty-two thousand, four hundred twenty-eight".