1631255113275 has 48 divisors (see below), whose sum is σ = 2770224289536. Its totient is φ = 846538600320.

The previous prime is 1631255113237. The next prime is 1631255113289. The reversal of 1631255113275 is 5723115521361.

It is a happy number.

It is not a de Polignac number, because 1631255113275 - 2¹⁹ = 1631254588987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113452 + ... + 1809801.

It is an arithmetic number, because the mean of its divisors is an integer number (57713006032).

Almost surely, 2^{1631255113275} is an apocalyptic number.

1631255113275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1631255113275 is a deficient number, since it is larger than the sum of its proper divisors (1138969176261).

1631255113275 is a wasteful number, since it uses less digits than its factorization.

1631255113275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923572 (or 1923567 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The spelling of 1631255113275 in words is "one trillion, six hundred thirty-one billion, two hundred fifty-five million, one hundred thirteen thousand, two hundred seventy-five".