155603252036 has 12 divisors (see below), whose sum is σ = 286637569680. Its totient is φ = 73706803560.

The previous prime is 155603252011. The next prime is 155603252047. The reversal of 155603252036 is 630252306551.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 3 ways as a sum of consecutive naturals, for example, 1023705530 + ... + 1023705681.

It is an arithmetic number, because the mean of its divisors is an integer number (23886464140).

Almost surely, 2^155603252036 is an apocalyptic number.

It is an amenable number.

155603252036 is a deficient number, since it is larger than the sum of its proper divisors (131034317644).

155603252036 is a wasteful number, since it uses less digits than its factorization.

155603252036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047411234 (or 2047411232 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 155603252036 its reverse (630252306551), we get a palindrome (785855558587).

The spelling of 155603252036 in words is "one hundred fifty-five billion, six hundred three million, two hundred fifty-two thousand, thirty-six".