13161625124101 has 4 divisors (see below), whose sum is σ = 13162641243372. Its totient is φ = 13160609004832.

The previous prime is 13161625124071. The next prime is 13161625124107. The reversal of 13161625124101 is 10142152616131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2932310335201 + 10229314788900 = 1712399^2 + 3198330^2 .

It is a cyclic number.

It is not a de Polignac number, because 13161625124101 - 2⁹ = 13161625123589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161625124107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508040206 + ... + 508066111.

It is an arithmetic number, because the mean of its divisors is an integer number (3290660310843).

Almost surely, 2^{13161625124101} is an apocalyptic number.

It is an amenable number.

13161625124101 is a deficient number, since it is larger than the sum of its proper divisors (1016119271).

13161625124101 is a wasteful number, since it uses less digits than its factorization.

13161625124101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016119270.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 13161625124101 in words is "thirteen trillion, one hundred sixty-one billion, six hundred twenty-five million, one hundred twenty-four thousand, one hundred one".