1026941897521 has 16 divisors (see below), whose sum is σ = 1098540188928. Its totient is φ = 956637561600.

The previous prime is 1026941897461. The next prime is 1026941897539. The reversal of 1026941897521 is 1257981496201.

1026941897521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1026941897521 - 2³⁷ = 889502944049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026941897921) 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, 141625 + ... + 1440118.

It is an arithmetic number, because the mean of its divisors is an integer number (68658761808).

Almost surely, 2^{1026941897521} is an apocalyptic number.

It is an amenable number.

1026941897521 is a deficient number, since it is larger than the sum of its proper divisors (71598291407).

1026941897521 is a wasteful number, since it uses less digits than its factorization.

1026941897521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582152.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 1026941897521 in words is "one trillion, twenty-six billion, nine hundred forty-one million, eight hundred ninety-seven thousand, five hundred twenty-one".