65656155156055 has 32 divisors (see below), whose sum is σ = 82970536481280. Its totient is φ = 49814666711040.

The previous prime is 65656155156047. The next prime is 65656155156089. The reversal of 65656155156055 is 55065155165656.

It is not a de Polignac number, because 65656155156055 - 2³ = 65656155156047 is a prime.

It is a super-2 number, since 2×65656155156055² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65656155155984 and 65656155156002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19500532 + ... + 22618201.

It is an arithmetic number, because the mean of its divisors is an integer number (2592829265040).

Almost surely, 2^{65656155156055} is an apocalyptic number.

65656155156055 is a deficient number, since it is larger than the sum of its proper divisors (17314381325225).

65656155156055 is a wasteful number, since it uses less digits than its factorization.

65656155156055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42118971.

The product of its (nonzero) digits is 101250000, while the sum is 61.

The spelling of 65656155156055 in words is "sixty-five trillion, six hundred fifty-six billion, one hundred fifty-five million, one hundred fifty-six thousand, fifty-five".