32512043155 has 4 divisors (see below), whose sum is σ = 39014451792. Its totient is φ = 26009634520.

The previous prime is 32512043143. The next prime is 32512043189. The reversal of 32512043155 is 55134021523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55134021523 = 7 ⋅7876288789.

It is not a de Polignac number, because 32512043155 - 2⁷ = 32512043027 is a prime.

It is a super-2 number, since 2×32512043155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3251204311 + ... + 3251204320.

It is an arithmetic number, because the mean of its divisors is an integer number (9753612948).

Almost surely, 2^32512043155 is an apocalyptic number.

32512043155 is a deficient number, since it is larger than the sum of its proper divisors (6502408637).

32512043155 is an equidigital number, since it uses as much as digits as its factorization.

32512043155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502408636.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 32512043155 its reverse (55134021523), we get a palindrome (87646064678).

The spelling of 32512043155 in words is "thirty-two billion, five hundred twelve million, forty-three thousand, one hundred fifty-five".