11774457628 has 12 divisors (see below), whose sum is σ = 21084494200. Its totient is φ = 5750316432.

The previous prime is 11774457553. The next prime is 11774457631. The reversal of 11774457628 is 82675447711.

It is a happy number.

It is a super-3 number, since 3×11774457628³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 34227903 + ... + 34228246.

Almost surely, 2^11774457628 is an apocalyptic number.

It is an amenable number.

11774457628 is a deficient number, since it is larger than the sum of its proper divisors (9310036572).

11774457628 is a wasteful number, since it uses less digits than its factorization.

11774457628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68456196 (or 68456194 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 52.

The spelling of 11774457628 in words is "eleven billion, seven hundred seventy-four million, four hundred fifty-seven thousand, six hundred twenty-eight".