155055251233 has 2 divisors, whose sum is σ = 155055251234. Its totient is φ = 155055251232.

The previous prime is 155055251209. The next prime is 155055251291. The reversal of 155055251233 is 332152550551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135340844769 + 19714406464 = 367887^2 + 140408^2 .

It is a cyclic number.

It is not a de Polignac number, because 155055251233 - 2²⁵ = 155021696801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155055251192 and 155055251201.

It is not a weakly prime, because it can be changed into another prime (155055251033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77527625616 + 77527625617.

It is an arithmetic number, because the mean of its divisors is an integer number (77527625617).

Almost surely, 2^155055251233 is an apocalyptic number.

It is an amenable number.

155055251233 is a deficient number, since it is larger than the sum of its proper divisors (1).

155055251233 is an equidigital number, since it uses as much as digits as its factorization.

155055251233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 155055251233 in words is "one hundred fifty-five billion, fifty-five million, two hundred fifty-one thousand, two hundred thirty-three".