75320054120011 has 4 divisors (see below), whose sum is σ = 75424810802400. Its totient is φ = 75215297437624.

The previous prime is 75320054119979. The next prime is 75320054120083. The reversal of 75320054120011 is 11002145002357.

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 75320054120011 - 2⁵ = 75320054119979 is a prime.

It is a super-2 number, since 2×75320054120011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75320052120011) 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, 52378340116 + ... + 52378341553.

It is an arithmetic number, because the mean of its divisors is an integer number (18856202700600).

Almost surely, 2^{75320054120011} is an apocalyptic number.

75320054120011 is a deficient number, since it is larger than the sum of its proper divisors (104756682389).

75320054120011 is a wasteful number, since it uses less digits than its factorization.

75320054120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104756682388.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 75320054120011 its reverse (11002145002357), we get a palindrome (86322199122368).

The spelling of 75320054120011 in words is "seventy-five trillion, three hundred twenty billion, fifty-four million, one hundred twenty thousand, eleven".