57405688121 has 8 divisors (see below), whose sum is σ = 59266723584. Its totient is φ = 55545230160.

The previous prime is 57405688099. The next prime is 57405688127. The reversal of 57405688121 is 12188650475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57405688121 - 2²² = 57401493817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57405688127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62375 + ... + 344531.

It is an arithmetic number, because the mean of its divisors is an integer number (7408340448).

Almost surely, 2^57405688121 is an apocalyptic number.

It is an amenable number.

57405688121 is a deficient number, since it is larger than the sum of its proper divisors (1861035463).

57405688121 is a wasteful number, since it uses less digits than its factorization.

57405688121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288751.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 57405688121 in words is "fifty-seven billion, four hundred five million, six hundred eighty-eight thousand, one hundred twenty-one".