47531656135 has 32 divisors (see below), whose sum is σ = 61465203072. Its totient is φ = 35192931840.

The previous prime is 47531656129. The next prime is 47531656163. The reversal of 47531656135 is 53165613574.

It is not a de Polignac number, because 47531656135 - 2³ = 47531656127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 739297 + ... + 801013.

It is an arithmetic number, because the mean of its divisors is an integer number (1920787596).

Almost surely, 2^47531656135 is an apocalyptic number.

47531656135 is a deficient number, since it is larger than the sum of its proper divisors (13933546937).

47531656135 is a wasteful number, since it uses less digits than its factorization.

47531656135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61963.

The product of its digits is 1134000, while the sum is 46.

The spelling of 47531656135 in words is "forty-seven billion, five hundred thirty-one million, six hundred fifty-six thousand, one hundred thirty-five".