131115505253212 has 24 divisors (see below), whose sum is σ = 239429649576096. Its totient is φ = 62707065746688.

The previous prime is 131115505253153. The next prime is 131115505253269. The reversal of 131115505253212 is 212352505511131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12998368 + ... + 20765080.

It is an arithmetic number, because the mean of its divisors is an integer number (9976235399004).

Almost surely, 2^{131115505253212} is an apocalyptic number.

It is an amenable number.

131115505253212 is a deficient number, since it is larger than the sum of its proper divisors (108314144322884).

131115505253212 is a wasteful number, since it uses less digits than its factorization.

131115505253212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950237 (or 7950235 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 131115505253212 in words is "one hundred thirty-one trillion, one hundred fifteen billion, five hundred five million, two hundred fifty-three thousand, two hundred twelve".