1565011152 has 80 divisors (see below), whose sum is σ = 4728616000. Its totient is φ = 494211456.

The previous prime is 1565011061. The next prime is 1565011193. The reversal of 1565011152 is 2511105651.

1565011152 is a `hidden beast` number, since 1 + 5 + 6 + 501 + 1 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87127 + ... + 103542.

It is an arithmetic number, because the mean of its divisors is an integer number (59107700).

Almost surely, 2^1565011152 is an apocalyptic number.

1565011152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1565011152 is an abundant number, since it is smaller than the sum of its proper divisors (3163604848).

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

1565011152 is a wasteful number, since it uses less digits than its factorization.

1565011152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190705 (or 190693 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 1565011152 is about 39560.2218396207. The cubic root of 1565011152 is about 1161.0185148848.

The spelling of 1565011152 in words is "one billion, five hundred sixty-five million, eleven thousand, one hundred fifty-two".