65056101656502 has 128 divisors (see below), whose sum is σ = 151198948712448. Its totient is φ = 18442416960000.

The previous prime is 65056101656489. The next prime is 65056101656561. The reversal of 65056101656502 is 20565610165056.

It is a super-2 number, since 2×65056101656502² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136912743 + ... + 137387085.

It is an arithmetic number, because the mean of its divisors is an integer number (1181241786816).

Almost surely, 2^{65056101656502} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65056101656502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75599474356224).

65056101656502 is an abundant number, since it is smaller than the sum of its proper divisors (86142847055946).

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

65056101656502 is a wasteful number, since it uses less digits than its factorization.

65056101656502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475114.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 65056101656502 in words is "sixty-five trillion, fifty-six billion, one hundred one million, six hundred fifty-six thousand, five hundred two".