11638698172145 has 8 divisors (see below), whose sum is σ = 15236113970880. Its totient is φ = 8464507761520.

The previous prime is 11638698172111. The next prime is 11638698172217. The reversal of 11638698172145 is 54127189683611.

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

It is not a de Polignac number, because 11638698172145 - 2⁸ = 11638698171889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105806346965 + ... + 105806347074.

It is an arithmetic number, because the mean of its divisors is an integer number (1904514246360).

Almost surely, 2^{11638698172145} is an apocalyptic number.

It is an amenable number.

11638698172145 is a deficient number, since it is larger than the sum of its proper divisors (3597415798735).

11638698172145 is a wasteful number, since it uses less digits than its factorization.

11638698172145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211612694055.

The product of its digits is 17418240, while the sum is 62.

The spelling of 11638698172145 in words is "eleven trillion, six hundred thirty-eight billion, six hundred ninety-eight million, one hundred seventy-two thousand, one hundred forty-five".