11017505051 has 4 divisors (see below), whose sum is σ = 12591434352. Its totient is φ = 9443575752.

The previous prime is 11017505041. The next prime is 11017505069. The reversal of 11017505051 is 15050571011.

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 11017505051 - 2¹⁴ = 11017488667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11017505051.

It is not an unprimeable number, because it can be changed into a prime (11017505041) 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, 786964640 + ... + 786964653.

It is an arithmetic number, because the mean of its divisors is an integer number (3147858588).

Almost surely, 2^11017505051 is an apocalyptic number.

11017505051 is a deficient number, since it is larger than the sum of its proper divisors (1573929301).

11017505051 is an equidigital number, since it uses as much as digits as its factorization.

11017505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573929300.

The product of its (nonzero) digits is 875, while the sum is 26.

The spelling of 11017505051 in words is "eleven billion, seventeen million, five hundred five thousand, fifty-one".