618254849157121 has 16 divisors (see below), whose sum is σ = 710361598353408. Its totient is φ = 532588492546000.

The previous prime is 618254849157107. The next prime is 618254849157161. The reversal of 618254849157121 is 121751948452816.

It is not a de Polignac number, because 618254849157121 - 2¹⁷ = 618254849026049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618254849157161) 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, 11419108705 + ... + 11419162846.

It is an arithmetic number, because the mean of its divisors is an integer number (44397599897088).

Almost surely, 2^{618254849157121} is an apocalyptic number.

It is an amenable number.

618254849157121 is a deficient number, since it is larger than the sum of its proper divisors (92106749196287).

618254849157121 is a wasteful number, since it uses less digits than its factorization.

618254849157121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22838271692.

The product of its digits is 38707200, while the sum is 64.

The spelling of 618254849157121 in words is "six hundred eighteen trillion, two hundred fifty-four billion, eight hundred forty-nine million, one hundred fifty-seven thousand, one hundred twenty-one".