11212026145 has 8 divisors (see below), whose sum is σ = 13484399400. Its totient is φ = 8949642240.

The previous prime is 11212026143. The next prime is 11212026149. The reversal of 11212026145 is 54162021211.

It can be written as a sum of positive squares in 4 ways, for example, as 3241821969 + 7970204176 = 56937^2 + 89276^2 .

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

It is not a de Polignac number, because 11212026145 - 2¹ = 11212026143 is a prime.

It is a super-2 number, since 2×11212026145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212026143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494866 + ... + 2499355.

It is an arithmetic number, because the mean of its divisors is an integer number (1685549925).

Almost surely, 2^11212026145 is an apocalyptic number.

It is an amenable number.

11212026145 is a deficient number, since it is larger than the sum of its proper divisors (2272373255).

11212026145 is an equidigital number, since it uses as much as digits as its factorization.

11212026145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994675.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 11212026145 its reverse (54162021211), we get a palindrome (65374047356).

The spelling of 11212026145 in words is "eleven billion, two hundred twelve million, twenty-six thousand, one hundred forty-five".