16111555154132 has 6 divisors (see below), whose sum is σ = 28195221519738. Its totient is φ = 8055777577064.

The previous prime is 16111555154131. The next prime is 16111555154153. The reversal of 16111555154132 is 23145155511161.

It can be written as a sum of positive squares in only one way, i.e., 12297057104656 + 3814498049476 = 3506716^2 + 1953074^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16111555154132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16111555154131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013944394263 + ... + 2013944394270.

It is an arithmetic number, because the mean of its divisors is an integer number (4699203586623).

Almost surely, 2^{16111555154132} is an apocalyptic number.

It is an amenable number.

16111555154132 is a deficient number, since it is larger than the sum of its proper divisors (12083666365606).

16111555154132 is a wasteful number, since it uses less digits than its factorization.

16111555154132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027888788537 (or 4027888788535 counting only the distinct ones).

The product of its digits is 90000, while the sum is 41.

The spelling of 16111555154132 in words is "sixteen trillion, one hundred eleven billion, five hundred fifty-five million, one hundred fifty-four thousand, one hundred thirty-two".