131048513551 has 2 divisors, whose sum is σ = 131048513552. Its totient is φ = 131048513550.

The previous prime is 131048513509. The next prime is 131048513599. The reversal of 131048513551 is 155315840131.

It is a weak prime.

It is an emirp because it is prime and its reverse (155315840131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131048513551 - 2²¹ = 131046416399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131048513551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131048513251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65524256775 + 65524256776.

It is an arithmetic number, because the mean of its divisors is an integer number (65524256776).

Almost surely, 2^131048513551 is an apocalyptic number.

131048513551 is a deficient number, since it is larger than the sum of its proper divisors (1).

131048513551 is an equidigital number, since it uses as much as digits as its factorization.

131048513551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 131048513551 in words is "one hundred thirty-one billion, forty-eight million, five hundred thirteen thousand, five hundred fifty-one".