3621313471125 has 64 divisors (see below), whose sum is σ = 6895075479552. Its totient is φ = 1653445108800.

The previous prime is 3621313471121. The next prime is 3621313471157. The reversal of 3621313471125 is 5211743131263.

It is not a de Polignac number, because 3621313471125 - 2² = 3621313471121 is a prime.

It is a super-2 number, since 2×3621313471125² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621313471121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1322254 + ... + 2998496.

It is an arithmetic number, because the mean of its divisors is an integer number (107735554368).

Almost surely, 2^{3621313471125} is an apocalyptic number.

3621313471125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3621313471125 is a deficient number, since it is larger than the sum of its proper divisors (3273762008427).

3621313471125 is a wasteful number, since it uses less digits than its factorization.

3621313471125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677091 (or 1677081 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The spelling of 3621313471125 in words is "three trillion, six hundred twenty-one billion, three hundred thirteen million, four hundred seventy-one thousand, one hundred twenty-five".