11570221027 has 8 divisors (see below), whose sum is σ = 11615605056. Its totient is φ = 11524863552.

The previous prime is 11570220983. The next prime is 11570221043. The reversal of 11570221027 is 72012207511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11570221027 is a prime.

It is a super-2 number, since 2×11570221027² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11570220986 and 11570221004.

It is not an unprimeable number, because it can be changed into a prime (11570231027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604943 + ... + 1612135.

It is an arithmetic number, because the mean of its divisors is an integer number (1451950632).

Almost surely, 2^11570221027 is an apocalyptic number.

11570221027 is a deficient number, since it is larger than the sum of its proper divisors (45384029).

11570221027 is an equidigital number, since it uses as much as digits as its factorization.

11570221027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13277.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 11570221027 its reverse (72012207511), we get a palindrome (83582428538).

The spelling of 11570221027 in words is "eleven billion, five hundred seventy million, two hundred twenty-one thousand, twenty-seven".