11666753445 has 16 divisors (see below), whose sum is σ = 19649269440. Its totient is φ = 5894780544.

The previous prime is 11666753437. The next prime is 11666753471. The reversal of 11666753445 is 54435766611.

It is not a de Polignac number, because 11666753445 - 2³ = 11666753437 is a prime.

It is a super-2 number, since 2×11666753445² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11666753394 and 11666753403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20467704 + ... + 20468273.

It is an arithmetic number, because the mean of its divisors is an integer number (1228079340).

Almost surely, 2^11666753445 is an apocalyptic number.

11666753445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11666753445 is a deficient number, since it is larger than the sum of its proper divisors (7982515995).

11666753445 is a wasteful number, since it uses less digits than its factorization.

11666753445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40936004.

The product of its digits is 1814400, while the sum is 48.

The spelling of 11666753445 in words is "eleven billion, six hundred sixty-six million, seven hundred fifty-three thousand, four hundred forty-five".