16111555154152 has 8 divisors (see below), whose sum is σ = 30209165914050. Its totient is φ = 8055777577072.

The previous prime is 16111555154131. The next prime is 16111555154153. The reversal of 16111555154152 is 25145155511161.

It can be written as a sum of positive squares in only one way, i.e., 16060905851236 + 50649302916 = 4007606^2 + 225054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16111555154099 and 16111555154108.

It is not an unprimeable number, because it can be changed into a prime (16111555154153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006972197127 + ... + 1006972197142.

Almost surely, 2^{16111555154152} is an apocalyptic number.

It is an amenable number.

16111555154152 is a deficient number, since it is larger than the sum of its proper divisors (14097610759898).

16111555154152 is a wasteful number, since it uses less digits than its factorization.

16111555154152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013944394275 (or 2013944394271 counting only the distinct ones).

The product of its digits is 150000, while the sum is 43.

The spelling of 16111555154152 in words is "sixteen trillion, one hundred eleven billion, five hundred fifty-five million, one hundred fifty-four thousand, one hundred fifty-two".