131186950895 has 64 divisors (see below), whose sum is σ = 211475045376. Its totient is φ = 75449594880.

The previous prime is 131186950877. The next prime is 131186950903. The reversal of 131186950895 is 598059681131.

It is not a de Polignac number, because 131186950895 - 2¹⁶ = 131186885359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131186950895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11891372 + ... + 11902398.

It is an arithmetic number, because the mean of its divisors is an integer number (3304297584).

Almost surely, 2^131186950895 is an apocalyptic number.

131186950895 is a deficient number, since it is larger than the sum of its proper divisors (80288094481).

131186950895 is a wasteful number, since it uses less digits than its factorization.

131186950895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13440.

The product of its (nonzero) digits is 2332800, while the sum is 56.

The spelling of 131186950895 in words is "one hundred thirty-one billion, one hundred eighty-six million, nine hundred fifty thousand, eight hundred ninety-five".