11629187442 has 16 divisors (see below), whose sum is σ = 25842638880. Its totient is φ = 3876395796.

The previous prime is 11629187411. The next prime is 11629187461. The reversal of 11629187442 is 24478192611.

11629187442 is a `hidden beast` number, since 1 + 1 + 6 + 29 + 187 + 442 = 666.

11629187442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11629187442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107677608 + ... + 107677715.

It is an arithmetic number, because the mean of its divisors is an integer number (1615164930).

Almost surely, 2^11629187442 is an apocalyptic number.

11629187442 is an abundant number, since it is smaller than the sum of its proper divisors (14213451438).

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

11629187442 is a wasteful number, since it uses less digits than its factorization.

11629187442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215355334 (or 215355328 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 11629187442 in words is "eleven billion, six hundred twenty-nine million, one hundred eighty-seven thousand, four hundred forty-two".