505544152156 has 24 divisors (see below), whose sum is σ = 922107490304. Its totient is φ = 242243198640.

The previous prime is 505544152133. The next prime is 505544152181. The reversal of 505544152156 is 651251445505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19778340 + ... + 19803883.

Almost surely, 2^505544152156 is an apocalyptic number.

It is an amenable number.

505544152156 is a deficient number, since it is larger than the sum of its proper divisors (416563338148).

505544152156 is a wasteful number, since it uses less digits than its factorization.

505544152156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39582361 (or 39582359 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 505544152156 in words is "five hundred five billion, five hundred forty-four million, one hundred fifty-two thousand, one hundred fifty-six".