155067488441 has 2 divisors, whose sum is σ = 155067488442. Its totient is φ = 155067488440.

The previous prime is 155067488357. The next prime is 155067488447. The reversal of 155067488441 is 144884760551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134117820841 + 20949667600 = 366221^2 + 144740^2 .

It is a cyclic number.

It is not a de Polignac number, because 155067488441 - 2¹⁰ = 155067487417 is a prime.

It is a super-2 number, since 2×155067488441² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155067488447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77533744220 + 77533744221.

It is an arithmetic number, because the mean of its divisors is an integer number (77533744221).

Almost surely, 2^155067488441 is an apocalyptic number.

It is an amenable number.

155067488441 is a deficient number, since it is larger than the sum of its proper divisors (1).

155067488441 is an equidigital number, since it uses as much as digits as its factorization.

155067488441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 155067488441 in words is "one hundred fifty-five billion, sixty-seven million, four hundred eighty-eight thousand, four hundred forty-one".