155763015272 has 32 divisors (see below), whose sum is σ = 301806600480. Its totient is φ = 75317121600.

The previous prime is 155763015217. The next prime is 155763015319. The reversal of 155763015272 is 272510367551.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 2206838 + ... + 2276325.

It is an arithmetic number, because the mean of its divisors is an integer number (9431456265).

Almost surely, 2^155763015272 is an apocalyptic number.

It is an amenable number.

155763015272 is a deficient number, since it is larger than the sum of its proper divisors (146043585208).

155763015272 is a wasteful number, since it uses less digits than its factorization.

155763015272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483313 (or 4483309 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 155763015272 in words is "one hundred fifty-five billion, seven hundred sixty-three million, fifteen thousand, two hundred seventy-two".