7129922254385 has 8 divisors (see below), whose sum is σ = 9778179091776. Its totient is φ = 4889089545840.

The previous prime is 7129922254381. The next prime is 7129922254397. The reversal of 7129922254385 is 5834522299217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7129922254385 - 2² = 7129922254381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7129922254381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101856032171 + ... + 101856032240.

It is an arithmetic number, because the mean of its divisors is an integer number (1222272386472).

Almost surely, 2^{7129922254385} is an apocalyptic number.

It is an amenable number.

7129922254385 is a deficient number, since it is larger than the sum of its proper divisors (2648256837391).

7129922254385 is a wasteful number, since it uses less digits than its factorization.

7129922254385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203712064423.

The product of its digits is 21772800, while the sum is 59.

The spelling of 7129922254385 in words is "seven trillion, one hundred twenty-nine billion, nine hundred twenty-two million, two hundred fifty-four thousand, three hundred eighty-five".