3501655155441 has 45 divisors (see below), whose sum is σ = 5332784737819. Its totient is φ = 2289806956944.

The previous prime is 3501655155409. The next prime is 3501655155491. The reversal of 3501655155441 is 1445515561053.

The square root of 3501655155441 is 1871271.

It is a perfect power (a square), and thus also a powerful number.

3501655155441 is a `hidden beast` number, since 3 + 5 + 0 + 1 + 6 + 5 + 51 + 554 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2524333104225 + 977322051216 = 1588815^2 + 988596^2 .

It is not a de Polignac number, because 3501655155441 - 2⁵ = 3501655155409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3501655155491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 892594306 + ... + 892598228.

Almost surely, 2^{3501655155441} is an apocalyptic number.

3501655155441 is the 1871271-st square number.

3501655155441 is the 935636-th centered octagonal number.

It is an amenable number.

3501655155441 is a deficient number, since it is larger than the sum of its proper divisors (1831129582378).

3501655155441 is an frugal number, since it uses more digits than its factorization.

3501655155441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964 (or 3979 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 3501655155441 in words is "three trillion, five hundred one billion, six hundred fifty-five million, one hundred fifty-five thousand, four hundred forty-one".