375142775121 has 9 divisors (see below), whose sum is σ = 541875551529. Its totient is φ = 250093958436.

The previous prime is 375142775101. The next prime is 375142775167. The reversal of 375142775121 is 121577241573.

The square root of 375142775121 is 612489.

It is a perfect power (a square), and thus also a powerful number.

375142775121 is a `hidden beast` number, since 3 + 7 + 514 + 2 + 7 + 7 + 5 + 121 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 375142775121 - 2²⁷ = 375008557393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (375142775101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1735386 + ... + 1939548.

Almost surely, 2^375142775121 is an apocalyptic number.

375142775121 is the 612489-th square number.

375142775121 is the 306245-th centered octagonal number.

It is an amenable number.

375142775121 is a deficient number, since it is larger than the sum of its proper divisors (166732776408).

375142775121 is an frugal number, since it uses more digits than its factorization.

375142775121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408332 (or 204166 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The spelling of 375142775121 in words is "three hundred seventy-five billion, one hundred forty-two million, seven hundred seventy-five thousand, one hundred twenty-one".