155544511252 has 48 divisors (see below), whose sum is σ = 295701719040. Its totient is φ = 71164300032.

The previous prime is 155544511229. The next prime is 155544511271. The reversal of 155544511252 is 252115445551.

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 15 ways as a sum of consecutive naturals, for example, 5106973 + ... + 5137339.

It is an arithmetic number, because the mean of its divisors is an integer number (6160452480).

Almost surely, 2^155544511252 is an apocalyptic number.

It is an amenable number.

155544511252 is a deficient number, since it is larger than the sum of its proper divisors (140157207788).

155544511252 is a wasteful number, since it uses less digits than its factorization.

155544511252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31240 (or 31238 counting only the distinct ones).

The product of its digits is 200000, while the sum is 40.

The spelling of 155544511252 in words is "one hundred fifty-five billion, five hundred forty-four million, five hundred eleven thousand, two hundred fifty-two".