16245053121 has 16 divisors (see below), whose sum is σ = 23655149568. Its totient is φ = 9834661200.

The previous prime is 16245053117. The next prime is 16245053129. The reversal of 16245053121 is 12135054261.

16245053121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16245053121 - 2² = 16245053117 is a prime.

It is a super-2 number, since 2×16245053121² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16245053129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240121 + ... + 300246.

It is an arithmetic number, because the mean of its divisors is an integer number (1478446848).

Almost surely, 2^16245053121 is an apocalyptic number.

16245053121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16245053121 is a deficient number, since it is larger than the sum of its proper divisors (7410096447).

16245053121 is a wasteful number, since it uses less digits than its factorization.

16245053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541292.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 16245053121 in words is "sixteen billion, two hundred forty-five million, fifty-three thousand, one hundred twenty-one".