11045951172 has 36 divisors (see below), whose sum is σ = 28884530220. Its totient is φ = 3555018432.

The previous prime is 11045951171. The next prime is 11045951209. The reversal of 11045951172 is 27115954011.

It can be written as a sum of positive squares in 2 ways, for example, as 7345175616 + 3700775556 = 85704^2 + 60834^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11045951171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5289163 + ... + 5291250.

Almost surely, 2^11045951172 is an apocalyptic number.

11045951172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11045951172 is an abundant number, since it is smaller than the sum of its proper divisors (17838579048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11045951172 is a wasteful number, since it uses less digits than its factorization.

11045951172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580452 (or 10580447 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The spelling of 11045951172 in words is "eleven billion, forty-five million, nine hundred fifty-one thousand, one hundred seventy-two".