16145224620511 has 8 divisors (see below), whose sum is σ = 18754171925024. Its totient is φ = 13611898977120.

The previous prime is 16145224620509. The next prime is 16145224620589. The reversal of 16145224620511 is 11502642254161.

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

It is a cyclic number.

It is not a de Polignac number, because 16145224620511 - 2¹ = 16145224620509 is a prime.

It is a super-2 number, since 2×16145224620511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145224626511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18905414820 + ... + 18905415673.

It is an arithmetic number, because the mean of its divisors is an integer number (2344271490628).

Almost surely, 2^{16145224620511} is an apocalyptic number.

16145224620511 is a deficient number, since it is larger than the sum of its proper divisors (2608947304513).

16145224620511 is an equidigital number, since it uses as much as digits as its factorization.

16145224620511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37810830561.

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 16145224620511 its reverse (11502642254161), we get a palindrome (27647866874672).

The spelling of 16145224620511 in words is "sixteen trillion, one hundred forty-five billion, two hundred twenty-four million, six hundred twenty thousand, five hundred eleven".