155015002141 has 2 divisors, whose sum is σ = 155015002142. Its totient is φ = 155015002140.

The previous prime is 155015002139. The next prime is 155015002229. The reversal of 155015002141 is 141200510551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85237138116 + 69777864025 = 291954^2 + 264155^2 .

It is an emirp because it is prime and its reverse (141200510551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155015002141 - 2¹ = 155015002139 is a prime.

Together with 155015002139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155015002111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77507501070 + 77507501071.

It is an arithmetic number, because the mean of its divisors is an integer number (77507501071).

Almost surely, 2^155015002141 is an apocalyptic number.

It is an amenable number.

155015002141 is a deficient number, since it is larger than the sum of its proper divisors (1).

155015002141 is an equidigital number, since it uses as much as digits as its factorization.

155015002141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 155015002141 its reverse (141200510551), we get a palindrome (296215512692).

The spelling of 155015002141 in words is "one hundred fifty-five billion, fifteen million, two thousand, one hundred forty-one".