1957105332875 has 32 divisors (see below), whose sum is σ = 3045154245120. Its totient is φ = 1220013708000.

The previous prime is 1957105332863. The next prime is 1957105332971. The reversal of 1957105332875 is 5782335017591.

It is not a de Polignac number, because 1957105332875 - 2³² = 1952810365579 is a prime.

It is a super-2 number, since 2×1957105332875² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1957105332875.

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, 101658185 + ... + 101677434.

It is an arithmetic number, because the mean of its divisors is an integer number (95161070160).

Almost surely, 2^{1957105332875} is an apocalyptic number.

1957105332875 is a deficient number, since it is larger than the sum of its proper divisors (1088048912245).

1957105332875 is a wasteful number, since it uses less digits than its factorization.

1957105332875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203335652 (or 203335642 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 1957105332875 in words is "one trillion, nine hundred fifty-seven billion, one hundred five million, three hundred thirty-two thousand, eight hundred seventy-five".