155054115146081 has 2 divisors, whose sum is σ = 155054115146082. Its totient is φ = 155054115146080.

The previous prime is 155054115146069. The next prime is 155054115146093. The reversal of 155054115146081 is 180641511450551.

It is a balanced prime because it is at equal distance from previous prime (155054115146069) and next prime (155054115146093).

It can be written as a sum of positive squares in only one way, i.e., 115475119024225 + 39578996121856 = 10745935^2 + 6291184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155054115146081 is a prime.

It is a super-3 number, since 3×155054115146081³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (155054115148081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77527057573040 + 77527057573041.

It is an arithmetic number, because the mean of its divisors is an integer number (77527057573041).

Almost surely, 2^{155054115146081} is an apocalyptic number.

It is an amenable number.

155054115146081 is a deficient number, since it is larger than the sum of its proper divisors (1).

155054115146081 is an equidigital number, since it uses as much as digits as its factorization.

155054115146081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480000, while the sum is 47.

The spelling of 155054115146081 in words is "one hundred fifty-five trillion, fifty-four billion, one hundred fifteen million, one hundred forty-six thousand, eighty-one".