16411621125 has 32 divisors (see below), whose sum is σ = 27638013312. Its totient is φ = 8647392000.

The previous prime is 16411621097. The next prime is 16411621129. The reversal of 16411621125 is 52112611461.

It is not a de Polignac number, because 16411621125 - 2⁹ = 16411620613 is a prime.

It is a super-3 number, since 3×16411621125³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16411621092 and 16411621101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16411621129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232516 + ... + 294765.

It is an arithmetic number, because the mean of its divisors is an integer number (863687916).

Almost surely, 2^16411621125 is an apocalyptic number.

16411621125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16411621125 is a deficient number, since it is larger than the sum of its proper divisors (11226392187).

16411621125 is an equidigital number, since it uses as much as digits as its factorization.

16411621125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527382 (or 527372 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The spelling of 16411621125 in words is "sixteen billion, four hundred eleven million, six hundred twenty-one thousand, one hundred twenty-five".