16125411631 has 16 divisors (see below), whose sum is σ = 18516414208. Its totient is φ = 13756392000.

The previous prime is 16125411623. The next prime is 16125411637. The reversal of 16125411631 is 13611452161.

It is a cyclic number.

It is not a de Polignac number, because 16125411631 - 2³ = 16125411623 is a prime.

It is a super-2 number, since 2×16125411631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16125411593 and 16125411602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125411637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508656 + ... + 1519306.

It is an arithmetic number, because the mean of its divisors is an integer number (1157275888).

Almost surely, 2^16125411631 is an apocalyptic number.

16125411631 is a deficient number, since it is larger than the sum of its proper divisors (2391002577).

16125411631 is a wasteful number, since it uses less digits than its factorization.

16125411631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662.

The product of its digits is 4320, while the sum is 31.

Adding to 16125411631 its reverse (13611452161), we get a palindrome (29736863792).

The spelling of 16125411631 in words is "sixteen billion, one hundred twenty-five million, four hundred eleven thousand, six hundred thirty-one".