131552889081 has 16 divisors (see below), whose sum is σ = 175802069760. Its totient is φ = 87502902480.

The previous prime is 131552889077. The next prime is 131552889121. The reversal of 131552889081 is 180988255131.

It is not a de Polignac number, because 131552889081 - 2² = 131552889077 is a prime.

It is a super-2 number, since 2×131552889081² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131552889581) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8893950 + ... + 8908728.

It is an arithmetic number, because the mean of its divisors is an integer number (10987629360).

Almost surely, 2^131552889081 is an apocalyptic number.

It is an amenable number.

131552889081 is a deficient number, since it is larger than the sum of its proper divisors (44249180679).

131552889081 is a wasteful number, since it uses less digits than its factorization.

131552889081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21316.

The product of its (nonzero) digits is 691200, while the sum is 51.

The spelling of 131552889081 in words is "one hundred thirty-one billion, five hundred fifty-two million, eight hundred eighty-nine thousand, eighty-one".