1025064310721 has 8 divisors (see below), whose sum is σ = 1118708993664. Its totient is φ = 931495797520.

The previous prime is 1025064310687. The next prime is 1025064310723. The reversal of 1025064310721 is 1270134605201.

1025064310721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1025064310721 - 2¹⁰ = 1025064309697 is a prime.

It is a super-2 number, since 2×1025064310721² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025064310723) 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, 19014290 + ... + 19068123.

It is an arithmetic number, because the mean of its divisors is an integer number (139838624208).

Almost surely, 2^{1025064310721} is an apocalyptic number.

1025064310721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1025064310721 is a deficient number, since it is larger than the sum of its proper divisors (93644682943).

1025064310721 is a wasteful number, since it uses less digits than its factorization.

1025064310721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38084871.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 1025064310721 its reverse (1270134605201), we get a palindrome (2295198915922).

The spelling of 1025064310721 in words is "one trillion, twenty-five billion, sixty-four million, three hundred ten thousand, seven hundred twenty-one".