1550118124271 has 2 divisors, whose sum is σ = 1550118124272. Its totient is φ = 1550118124270.

The previous prime is 1550118124267. The next prime is 1550118124283. The reversal of 1550118124271 is 1724218110551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1550118124271 - 2² = 1550118124267 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1550118123271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775059062135 + 775059062136.

It is an arithmetic number, because the mean of its divisors is an integer number (775059062136).

Almost surely, 2^{1550118124271} is an apocalyptic number.

1550118124271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550118124271 is an equidigital number, since it uses as much as digits as its factorization.

1550118124271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 38.

The spelling of 1550118124271 in words is "one trillion, five hundred fifty billion, one hundred eighteen million, one hundred twenty-four thousand, two hundred seventy-one".