1017750959551 has 4 divisors (see below), whose sum is σ = 1077618663072. Its totient is φ = 957883256032.

The previous prime is 1017750959527. The next prime is 1017750959573. The reversal of 1017750959551 is 1559590577101.

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

It is a cyclic number.

It is not a de Polignac number, because 1017750959551 - 2⁹ = 1017750959039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1017750959492 and 1017750959501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017750959051) 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, 29933851735 + ... + 29933851768.

It is an arithmetic number, because the mean of its divisors is an integer number (269404665768).

Almost surely, 2^{1017750959551} is an apocalyptic number.

1017750959551 is a deficient number, since it is larger than the sum of its proper divisors (59867703521).

1017750959551 is an equidigital number, since it uses as much as digits as its factorization.

1017750959551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59867703520.

The product of its (nonzero) digits is 2480625, while the sum is 55.

The spelling of 1017750959551 in words is "one trillion, seventeen billion, seven hundred fifty million, nine hundred fifty-nine thousand, five hundred fifty-one".