10557661632123 has 16 divisors (see below), whose sum is σ = 14152546113056. Its totient is φ = 7000623175680.

The previous prime is 10557661632113. The next prime is 10557661632151. The reversal of 10557661632123 is 32123616675501.

It is a happy number.

It is not a de Polignac number, because 10557661632123 - 2⁶ = 10557661632059 is a prime.

It is a super-2 number, since 2×10557661632123² (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 (10557661632113) 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, 1254753 + ... + 4763373.

It is an arithmetic number, because the mean of its divisors is an integer number (884534132066).

Almost surely, 2^{10557661632123} is an apocalyptic number.

10557661632123 is a deficient number, since it is larger than the sum of its proper divisors (3594884480933).

10557661632123 is a wasteful number, since it uses less digits than its factorization.

10557661632123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514014.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 10557661632123 in words is "ten trillion, five hundred fifty-seven billion, six hundred sixty-one million, six hundred thirty-two thousand, one hundred twenty-three".