155336215252 has 12 divisors (see below), whose sum is σ = 276294743956. Its totient is φ = 76394859840.

The previous prime is 155336215231. The next prime is 155336215277. The reversal of 155336215252 is 252512633551.

It can be written as a sum of positive squares in 2 ways, for example, as 3264293956 + 152071921296 = 57134^2 + 389964^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318311673 + ... + 318312160.

Almost surely, 2^155336215252 is an apocalyptic number.

It is an amenable number.

155336215252 is a deficient number, since it is larger than the sum of its proper divisors (120958528704).

155336215252 is a wasteful number, since it uses less digits than its factorization.

155336215252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636623898 (or 636623896 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The spelling of 155336215252 in words is "one hundred fifty-five billion, three hundred thirty-six million, two hundred fifteen thousand, two hundred fifty-two".