617582031121 has 8 divisors (see below), whose sum is σ = 677216661984. Its totient is φ = 558529201920.

The previous prime is 617582031119. The next prime is 617582031181. The reversal of 617582031121 is 121130285716.

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

It is a cyclic number.

It is not a de Polignac number, because 617582031121 - 2¹ = 617582031119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617582031181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145448191 + ... + 145452436.

It is an arithmetic number, because the mean of its divisors is an integer number (84652082748).

Almost surely, 2^617582031121 is an apocalyptic number.

It is an amenable number.

617582031121 is a deficient number, since it is larger than the sum of its proper divisors (59634630863).

617582031121 is a wasteful number, since it uses less digits than its factorization.

617582031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290900831.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 617582031121 in words is "six hundred seventeen billion, five hundred eighty-two million, thirty-one thousand, one hundred twenty-one".