1025171272608 has 96 divisors (see below), whose sum is σ = 3114444533760. Its totient is φ = 289198391040.

The previous prime is 1025171272603. The next prime is 1025171272627. The reversal of 1025171272608 is 8062721715201.

1025171272608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1025171272608² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1025171272608.

It is not an unprimeable number, because it can be changed into a prime (1025171272603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9602308 + ... + 9708483.

It is an arithmetic number, because the mean of its divisors is an integer number (32442130560).

Almost surely, 2^{1025171272608} is an apocalyptic number.

It is an amenable number.

1025171272608 is an abundant number, since it is smaller than the sum of its proper divisors (2089273261152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025171272608 is a wasteful number, since it uses less digits than its factorization.

1025171272608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19310890 (or 19310882 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

Adding to 1025171272608 its reverse (8062721715201), we get a palindrome (9087892987809).

The spelling of 1025171272608 in words is "one trillion, twenty-five billion, one hundred seventy-one million, two hundred seventy-two thousand, six hundred eight".