16011355621140 has 72 divisors (see below), whose sum is σ = 52983031334688. Its totient is φ = 3881540756160.

The previous prime is 16011355621139. The next prime is 16011355621249. The reversal of 16011355621140 is 4112655311061.

16011355621140 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 13 + 5 + 5 + 621 + 14 + 0 = 666.

It is a super-2 number, since 2×16011355621140² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16011355621095 and 16011355621104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4043269642 + ... + 4043273601.

It is an arithmetic number, because the mean of its divisors is an integer number (735875435204).

Almost surely, 2^{16011355621140} is an apocalyptic number.

16011355621140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16011355621140 is an abundant number, since it is smaller than the sum of its proper divisors (36971675713548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16011355621140 is a wasteful number, since it uses less digits than its factorization.

16011355621140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086543269 (or 8086543264 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 16011355621140 in words is "sixteen trillion, eleven billion, three hundred fifty-five million, six hundred twenty-one thousand, one hundred forty".