11253011215 has 8 divisors (see below), whose sum is σ = 13627500480. Its totient is φ = 8919817632.

The previous prime is 11253011213. The next prime is 11253011227. The reversal of 11253011215 is 51211035211.

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

It is a cyclic number.

It is not a de Polignac number, because 11253011215 - 2¹ = 11253011213 is a prime.

It is a super-2 number, since 2×11253011215² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11253011213) 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, 10323319 + ... + 10324408.

It is an arithmetic number, because the mean of its divisors is an integer number (1703437560).

Almost surely, 2^11253011215 is an apocalyptic number.

11253011215 is a deficient number, since it is larger than the sum of its proper divisors (2374489265).

11253011215 is a wasteful number, since it uses less digits than its factorization.

11253011215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647841.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11253011215 its reverse (51211035211), we get a palindrome (62464046426).

The spelling of 11253011215 in words is "eleven billion, two hundred fifty-three million, eleven thousand, two hundred fifteen".