152121566465 has 64 divisors (see below), whose sum is σ = 213497856000. Its totient is φ = 102878599680.

The previous prime is 152121566461. The next prime is 152121566477. The reversal of 152121566465 is 564665121251.

It is not a de Polignac number, because 152121566465 - 2² = 152121566461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152121566461) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 52836896 + ... + 52839774.

It is an arithmetic number, because the mean of its divisors is an integer number (3335904000).

Almost surely, 2^152121566465 is an apocalyptic number.

It is an amenable number.

152121566465 is a deficient number, since it is larger than the sum of its proper divisors (61376289535).

152121566465 is a wasteful number, since it uses less digits than its factorization.

152121566465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830.

The product of its digits is 432000, while the sum is 44.

The spelling of 152121566465 in words is "one hundred fifty-two billion, one hundred twenty-one million, five hundred sixty-six thousand, four hundred sixty-five".