11612757474 has 12 divisors (see below), whose sum is σ = 25160974566. Its totient is φ = 3870919152.

The previous prime is 11612757473. The next prime is 11612757491. The reversal of 11612757474 is 47475721611.

11612757474 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 2 + 7 + 574 + 74 = 666.

11612757474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6430917249 + 5181840225 = 80193^2 + 71985^2 .

It is a super-2 number, since 2×11612757474² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11612757473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322576579 + ... + 322576614.

Almost surely, 2^11612757474 is an apocalyptic number.

11612757474 is an abundant number, since it is smaller than the sum of its proper divisors (13548217092).

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

11612757474 is a wasteful number, since it uses less digits than its factorization.

11612757474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645153201 (or 645153198 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The spelling of 11612757474 in words is "eleven billion, six hundred twelve million, seven hundred fifty-seven thousand, four hundred seventy-four".