64132552220155 has 8 divisors (see below), whose sum is σ = 76973264406000. Its totient is φ = 51296573948256.

The previous prime is 64132552220137. The next prime is 64132552220159. The reversal of 64132552220155 is 55102225523146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64132552220155 - 2⁷ = 64132552220027 is a prime.

It is a super-2 number, since 2×64132552220155² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64132552220159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183448680 + ... + 1183502869.

It is an arithmetic number, because the mean of its divisors is an integer number (9621658050750).

Almost surely, 2^{64132552220155} is an apocalyptic number.

64132552220155 is a deficient number, since it is larger than the sum of its proper divisors (12840712185845).

64132552220155 is a wasteful number, since it uses less digits than its factorization.

64132552220155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366956973.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 64132552220155 in words is "sixty-four trillion, one hundred thirty-two billion, five hundred fifty-two million, two hundred twenty thousand, one hundred fifty-five".