11175470754421 has 4 divisors (see below), whose sum is σ = 11832851387052. Its totient is φ = 10518090121792.

The previous prime is 11175470754389. The next prime is 11175470754493. The reversal of 11175470754421 is 12445707457111.

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 9554967214321 + 1620503540100 = 3091111^2 + 1272990^2 .

It is a cyclic number.

It is not a de Polignac number, because 11175470754421 - 2⁵ = 11175470754389 is a prime.

It is a super-2 number, since 2×11175470754421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11175470754221) 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, 328690316290 + ... + 328690316323.

It is an arithmetic number, because the mean of its divisors is an integer number (2958212846763).

Almost surely, 2^{11175470754421} is an apocalyptic number.

It is an amenable number.

11175470754421 is a deficient number, since it is larger than the sum of its proper divisors (657380632631).

11175470754421 is an equidigital number, since it uses as much as digits as its factorization.

11175470754421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657380632630.

The product of its (nonzero) digits is 1097600, while the sum is 49.

The spelling of 11175470754421 in words is "eleven trillion, one hundred seventy-five billion, four hundred seventy million, seven hundred fifty-four thousand, four hundred twenty-one".