11045665133251 has 4 divisors (see below), whose sum is σ = 12623617295152. Its totient is φ = 9467712971352.

The previous prime is 11045665133249. The next prime is 11045665133257. The reversal of 11045665133251 is 15233156654011.

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

It is a cyclic number.

It is not a de Polignac number, because 11045665133251 - 2¹ = 11045665133249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11045665133198 and 11045665133207.

It is not an unprimeable number, because it can be changed into a prime (11045665133257) 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, 788976080940 + ... + 788976080953.

It is an arithmetic number, because the mean of its divisors is an integer number (3155904323788).

Almost surely, 2^{11045665133251} is an apocalyptic number.

11045665133251 is a deficient number, since it is larger than the sum of its proper divisors (1577952161901).

11045665133251 is an equidigital number, since it uses as much as digits as its factorization.

11045665133251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577952161900.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 11045665133251 in words is "eleven trillion, forty-five billion, six hundred sixty-five million, one hundred thirty-three thousand, two hundred fifty-one".