11772094721450 has 36 divisors (see below), whose sum is σ = 25470969033222. Its totient is φ = 4036146760800.

The previous prime is 11772094721419. The next prime is 11772094721477. The reversal of 11772094721450 is 5412749027711.

It can be written as a sum of positive squares in 3 ways, for example, as 10938213446209 + 833881275241 = 3307297^2 + 913171^2 .

It is a super-3 number, since 3×11772094721450³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2402465861 + ... + 2402470760.

Almost surely, 2^{11772094721450} is an apocalyptic number.

11772094721450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11772094721450 is an abundant number, since it is smaller than the sum of its proper divisors (13698874311772).

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

11772094721450 is a wasteful number, since it uses less digits than its factorization.

11772094721450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804936647 (or 4804936635 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 11772094721450 in words is "eleven trillion, seven hundred seventy-two billion, ninety-four million, seven hundred twenty-one thousand, four hundred fifty".