1020626260505 has 16 divisors (see below), whose sum is σ = 1230162234048. Its totient is φ = 812901768000.

The previous prime is 1020626260477. The next prime is 1020626260519. The reversal of 1020626260505 is 5050626260201.

It is not a de Polignac number, because 1020626260505 - 2⁶ = 1020626260441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539810 + ... + 1527300.

It is an arithmetic number, because the mean of its divisors is an integer number (76885139628).

Almost surely, 2^{1020626260505} is an apocalyptic number.

It is an amenable number.

1020626260505 is a deficient number, since it is larger than the sum of its proper divisors (209535973543).

1020626260505 is an equidigital number, since it uses as much as digits as its factorization.

1020626260505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988408.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1020626260505 in words is "one trillion, twenty billion, six hundred twenty-six million, two hundred sixty thousand, five hundred five".