15440155132 has 6 divisors (see below), whose sum is σ = 27020271488. Its totient is φ = 7720077564.

The previous prime is 15440155103. The next prime is 15440155141. The reversal of 15440155132 is 23155104451.

15440155132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15440155094 and 15440155103.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1930019388 + ... + 1930019395.

Almost surely, 2^15440155132 is an apocalyptic number.

It is an amenable number.

15440155132 is a deficient number, since it is larger than the sum of its proper divisors (11580116356).

15440155132 is a wasteful number, since it uses less digits than its factorization.

15440155132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860038787 (or 3860038785 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 15440155132 its reverse (23155104451), we get a palindrome (38595259583).

The spelling of 15440155132 in words is "fifteen billion, four hundred forty million, one hundred fifty-five thousand, one hundred thirty-two".