4031265535161 has 8 divisors (see below), whose sum is σ = 5375273348640. Its totient is φ = 2687384039232.

The previous prime is 4031265535097. The next prime is 4031265535217. The reversal of 4031265535161 is 1615355621304.

It is a happy number.

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

It is not a de Polignac number, because 4031265535161 - 2⁶ = 4031265535097 is a prime.

It is a super-2 number, since 2×4031265535161² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4031265530161) 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, 31504896 + ... + 31632593.

It is an arithmetic number, because the mean of its divisors is an integer number (671909168580).

Almost surely, 2^{4031265535161} is an apocalyptic number.

It is an amenable number.

4031265535161 is a deficient number, since it is larger than the sum of its proper divisors (1344007813479).

4031265535161 is a wasteful number, since it uses less digits than its factorization.

4031265535161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63158775.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 4031265535161 in words is "four trillion, thirty-one billion, two hundred sixty-five million, five hundred thirty-five thousand, one hundred sixty-one".