152120530505 has 32 divisors (see below), whose sum is σ = 185037277824. Its totient is φ = 120046703616.

The previous prime is 152120530501. The next prime is 152120530511. The reversal of 152120530505 is 505035021251.

It is a cyclic number.

It is not a de Polignac number, because 152120530505 - 2² = 152120530501 is a prime.

It is a super-2 number, since 2×152120530505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152120530501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173455127 + ... + 173456003.

It is an arithmetic number, because the mean of its divisors is an integer number (5782414932).

Almost surely, 2^152120530505 is an apocalyptic number.

It is an amenable number.

152120530505 is a deficient number, since it is larger than the sum of its proper divisors (32916747319).

152120530505 is a wasteful number, since it uses less digits than its factorization.

152120530505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 152120530505 its reverse (505035021251), we get a palindrome (657155551756).

The spelling of 152120530505 in words is "one hundred fifty-two billion, one hundred twenty million, five hundred thirty thousand, five hundred five".