254122116005 has 16 divisors (see below), whose sum is σ = 323121958704. Its totient is φ = 191198330880.

The previous prime is 254122115953. The next prime is 254122116037. The reversal of 254122116005 is 500611221452.

It can be written as a sum of positive squares in 8 ways, for example, as 10069319716 + 244052796289 = 100346^2 + 494017^2 .

It is not a de Polignac number, because 254122116005 - 2¹² = 254122111909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982652 + ... + 1214021.

It is an arithmetic number, because the mean of its divisors is an integer number (20195122419).

Almost surely, 2^254122116005 is an apocalyptic number.

It is an amenable number.

254122116005 is a deficient number, since it is larger than the sum of its proper divisors (68999842699).

254122116005 is a wasteful number, since it uses less digits than its factorization.

254122116005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198056.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 254122116005 its reverse (500611221452), we get a palindrome (754733337457).

The spelling of 254122116005 in words is "two hundred fifty-four billion, one hundred twenty-two million, one hundred sixteen thousand, five".