775624321121 has 8 divisors (see below), whose sum is σ = 862232496384. Its totient is φ = 692865398160.

The previous prime is 775624321111. The next prime is 775624321127. The reversal of 775624321121 is 121123426577.

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

It is not a de Polignac number, because 775624321121 - 2⁶ = 775624321057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775624321127) 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, 962312651 + ... + 962313456.

It is an arithmetic number, because the mean of its divisors is an integer number (107779062048).

Almost surely, 2^775624321121 is an apocalyptic number.

It is an amenable number.

775624321121 is a deficient number, since it is larger than the sum of its proper divisors (86608175263).

775624321121 is a wasteful number, since it uses less digits than its factorization.

775624321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924626151.

The product of its digits is 141120, while the sum is 41.

Adding to 775624321121 its reverse (121123426577), we get a palindrome (896747747698).

The spelling of 775624321121 in words is "seven hundred seventy-five billion, six hundred twenty-four million, three hundred twenty-one thousand, one hundred twenty-one".