11027520401 has 4 divisors (see below), whose sum is σ = 11027828532. Its totient is φ = 11027212272.

The previous prime is 11027520397. The next prime is 11027520421. The reversal of 11027520401 is 10402572011.

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 10538049025 + 489471376 = 102655^2 + 22124^2 .

It is a cyclic number.

It is not a de Polignac number, because 11027520401 - 2² = 11027520397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11027520421) 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, 92066 + ... + 174731.

It is an arithmetic number, because the mean of its divisors is an integer number (2756957133).

Almost surely, 2^11027520401 is an apocalyptic number.

It is an amenable number.

11027520401 is a deficient number, since it is larger than the sum of its proper divisors (308131).

11027520401 is an equidigital number, since it uses as much as digits as its factorization.

11027520401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308130.

The product of its (nonzero) digits is 560, while the sum is 23.

The spelling of 11027520401 in words is "eleven billion, twenty-seven million, five hundred twenty thousand, four hundred one".