82120574550153 has 4 divisors (see below), whose sum is σ = 109494099400208. Its totient is φ = 54747049700100.

The previous prime is 82120574550143. The next prime is 82120574550181. The reversal of 82120574550153 is 35105547502128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82120574550153 - 2⁶ = 82120574550089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82120574550143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13686762425023 + ... + 13686762425028.

It is an arithmetic number, because the mean of its divisors is an integer number (27373524850052).

Almost surely, 2^{82120574550153} is an apocalyptic number.

It is an amenable number.

82120574550153 is a deficient number, since it is larger than the sum of its proper divisors (27373524850055).

82120574550153 is a wasteful number, since it uses less digits than its factorization.

82120574550153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27373524850054.

The product of its (nonzero) digits is 1680000, while the sum is 48.

The spelling of 82120574550153 in words is "eighty-two trillion, one hundred twenty billion, five hundred seventy-four million, five hundred fifty thousand, one hundred fifty-three".