257037233605545 has 32 divisors (see below), whose sum is σ = 425038106373120. Its totient is φ = 132504349029120.

The previous prime is 257037233605501. The next prime is 257037233605553. The reversal of 257037233605545 is 545506332730752.

It is not a de Polignac number, because 257037233605545 - 2¹¹ = 257037233603497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333009114 + ... + 333780083.

It is an arithmetic number, because the mean of its divisors is an integer number (13282440824160).

Almost surely, 2^{257037233605545} is an apocalyptic number.

It is an amenable number.

257037233605545 is a deficient number, since it is larger than the sum of its proper divisors (168000872767575).

257037233605545 is a wasteful number, since it uses less digits than its factorization.

257037233605545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666790065.

The product of its (nonzero) digits is 79380000, while the sum is 57.

The spelling of 257037233605545 in words is "two hundred fifty-seven trillion, thirty-seven billion, two hundred thirty-three million, six hundred five thousand, five hundred forty-five".