1026466101553 has 4 divisors (see below), whose sum is σ = 1054208428660. Its totient is φ = 998723774448.

The previous prime is 1026466101509. The next prime is 1026466101581. The reversal of 1026466101553 is 3551016646201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 794153669409 + 232312432144 = 891153^2 + 481988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026466101553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026466101053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13871163498 + ... + 13871163571.

It is an arithmetic number, because the mean of its divisors is an integer number (263552107165).

Almost surely, 2^{1026466101553} is an apocalyptic number.

It is an amenable number.

1026466101553 is a deficient number, since it is larger than the sum of its proper divisors (27742327107).

1026466101553 is an equidigital number, since it uses as much as digits as its factorization.

1026466101553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27742327106.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1026466101553 in words is "one trillion, twenty-six billion, four hundred sixty-six million, one hundred one thousand, five hundred fifty-three".