155101212043 has 2 divisors, whose sum is σ = 155101212044. Its totient is φ = 155101212042.

The previous prime is 155101212037. The next prime is 155101212067. The reversal of 155101212043 is 340212101551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155101212043 - 2²⁹ = 154564341131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155101211999 and 155101212017.

It is not a weakly prime, because it can be changed into another prime (155101212073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77550606021 + 77550606022.

It is an arithmetic number, because the mean of its divisors is an integer number (77550606022).

Almost surely, 2^155101212043 is an apocalyptic number.

155101212043 is a deficient number, since it is larger than the sum of its proper divisors (1).

155101212043 is an equidigital number, since it uses as much as digits as its factorization.

155101212043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 155101212043 its reverse (340212101551), we get a palindrome (495313313594).

The spelling of 155101212043 in words is "one hundred fifty-five billion, one hundred one million, two hundred twelve thousand, forty-three".