57432734121 has 16 divisors (see below), whose sum is σ = 87519945728. Its totient is φ = 32817430800.

The previous prime is 57432734111. The next prime is 57432734141. The reversal of 57432734121 is 12143723475.

It is not a de Polignac number, because 57432734121 - 2¹⁰ = 57432733097 is a prime.

It is a super-2 number, since 2×57432734121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57432734121.

It is not an unprimeable number, because it can be changed into a prime (57432734111) 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, 890556 + ... + 952866.

It is an arithmetic number, because the mean of its divisors is an integer number (5469996608).

Almost surely, 2^57432734121 is an apocalyptic number.

It is an amenable number.

57432734121 is a deficient number, since it is larger than the sum of its proper divisors (30087211607).

57432734121 is a wasteful number, since it uses less digits than its factorization.

57432734121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106212.

The product of its digits is 141120, while the sum is 39.

The spelling of 57432734121 in words is "fifty-seven billion, four hundred thirty-two million, seven hundred thirty-four thousand, one hundred twenty-one".