82573155621129 has 16 divisors (see below), whose sum is σ = 110824007500800. Its totient is φ = 54686703157776.

The previous prime is 82573155621127. The next prime is 82573155621161. The reversal of 82573155621129 is 92112655137528.

It is a happy number.

It is not a de Polignac number, because 82573155621129 - 2¹ = 82573155621127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82573155621127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145476439 + ... + 146042940.

It is an arithmetic number, because the mean of its divisors is an integer number (6926500468800).

Almost surely, 2^{82573155621129} is an apocalyptic number.

It is an amenable number.

82573155621129 is a deficient number, since it is larger than the sum of its proper divisors (28250851879671).

82573155621129 is a wasteful number, since it uses less digits than its factorization.

82573155621129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291520004.

The product of its digits is 9072000, while the sum is 57.

The spelling of 82573155621129 in words is "eighty-two trillion, five hundred seventy-three billion, one hundred fifty-five million, six hundred twenty-one thousand, one hundred twenty-nine".