131522555512 has 8 divisors (see below), whose sum is σ = 246604791600. Its totient is φ = 65761277752.

The previous prime is 131522555501. The next prime is 131522555513. The reversal of 131522555512 is 215555225131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131522555513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220159712 + ... + 8220159727.

It is an arithmetic number, because the mean of its divisors is an integer number (30825598950).

Almost surely, 2^131522555512 is an apocalyptic number.

It is an amenable number.

131522555512 is a deficient number, since it is larger than the sum of its proper divisors (115082236088).

131522555512 is a wasteful number, since it uses less digits than its factorization.

131522555512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16440319445 (or 16440319441 counting only the distinct ones).

The product of its digits is 75000, while the sum is 37.

The spelling of 131522555512 in words is "one hundred thirty-one billion, five hundred twenty-two million, five hundred fifty-five thousand, five hundred twelve".