155215002036 has 24 divisors (see below), whose sum is σ = 362473483680. Its totient is φ = 51694741792.

The previous prime is 155215002013. The next prime is 155215002067. The reversal of 155215002036 is 630200512551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155215001994 and 155215002012.

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 in 7 ways as a sum of consecutive naturals, for example, 5434191 + ... + 5462678.

It is an arithmetic number, because the mean of its divisors is an integer number (15103061820).

Almost surely, 2^155215002036 is an apocalyptic number.

It is an amenable number.

155215002036 is an abundant number, since it is smaller than the sum of its proper divisors (207258481644).

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

155215002036 is a wasteful number, since it uses less digits than its factorization.

155215002036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898063 (or 10898061 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 155215002036 its reverse (630200512551), we get a palindrome (785415514587).

The spelling of 155215002036 in words is "one hundred fifty-five billion, two hundred fifteen million, two thousand, thirty-six".