11045131204551 has 8 divisors (see below), whose sum is σ = 14766969241344. Its totient is φ = 7343356985400.

The previous prime is 11045131204477. The next prime is 11045131204553. The reversal of 11045131204551 is 15540213154011.

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

It is not a de Polignac number, because 11045131204551 - 2¹⁸ = 11045130942407 is a prime.

It is a super-2 number, since 2×11045131204551² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045131204553) 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, 5015953125 + ... + 5015955326.

It is an arithmetic number, because the mean of its divisors is an integer number (1845871155168).

Almost surely, 2^{11045131204551} is an apocalyptic number.

11045131204551 is a deficient number, since it is larger than the sum of its proper divisors (3721838036793).

11045131204551 is a wasteful number, since it uses less digits than its factorization.

11045131204551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031908821.

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 11045131204551 its reverse (15540213154011), we get a palindrome (26585344358562).

The spelling of 11045131204551 in words is "eleven trillion, forty-five billion, one hundred thirty-one million, two hundred four thousand, five hundred fifty-one".