131522045455 has 4 divisors (see below), whose sum is σ = 157826454552. Its totient is φ = 105217636360.

The previous prime is 131522045387. The next prime is 131522045513. The reversal of 131522045455 is 554540225131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554540225131 = 17 ⋅32620013243.

It is not a de Polignac number, because 131522045455 - 2³⁵ = 97162307087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13152204541 + ... + 13152204550.

It is an arithmetic number, because the mean of its divisors is an integer number (39456613638).

Almost surely, 2^131522045455 is an apocalyptic number.

131522045455 is a deficient number, since it is larger than the sum of its proper divisors (26304409097).

131522045455 is an equidigital number, since it uses as much as digits as its factorization.

131522045455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304409096.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 131522045455 in words is "one hundred thirty-one billion, five hundred twenty-two million, forty-five thousand, four hundred fifty-five".