11052162111251 has 4 divisors (see below), whose sum is σ = 11433271149600. Its totient is φ = 10671053072904.

The previous prime is 11052162111131. The next prime is 11052162111257. The reversal of 11052162111251 is 15211126125011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11052162111251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 381109038319 = 11052162111251 / (1 + 1 + 0 + 5 + 2 + 1 + 6 + 2 + 1 + 1 + 1 + 2 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11052162111257) 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, 190554519131 + ... + 190554519188.

It is an arithmetic number, because the mean of its divisors is an integer number (2858317787400).

Almost surely, 2^{11052162111251} is an apocalyptic number.

11052162111251 is a deficient number, since it is larger than the sum of its proper divisors (381109038349).

11052162111251 is an equidigital number, since it uses as much as digits as its factorization.

11052162111251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381109038348.

The product of its (nonzero) digits is 1200, while the sum is 29.

Adding to 11052162111251 its reverse (15211126125011), we get a palindrome (26263288236262).

The spelling of 11052162111251 in words is "eleven trillion, fifty-two billion, one hundred sixty-two million, one hundred eleven thousand, two hundred fifty-one".