16253233452131 has 4 divisors (see below), whose sum is σ = 17503482179232. Its totient is φ = 15002984725032.

The previous prime is 16253233452103. The next prime is 16253233452151. The reversal of 16253233452131 is 13125433235261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16253233452131 is a prime.

It is a super-2 number, since 2×16253233452131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16253233452101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625124363531 + ... + 625124363556.

It is an arithmetic number, because the mean of its divisors is an integer number (4375870544808).

Almost surely, 2^{16253233452131} is an apocalyptic number.

16253233452131 is a deficient number, since it is larger than the sum of its proper divisors (1250248727101).

16253233452131 is a wasteful number, since it uses less digits than its factorization.

16253233452131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250248727100.

The product of its digits is 388800, while the sum is 41.

Adding to 16253233452131 its reverse (13125433235261), we get a palindrome (29378666687392).

The spelling of 16253233452131 in words is "sixteen trillion, two hundred fifty-three billion, two hundred thirty-three million, four hundred fifty-two thousand, one hundred thirty-one".