155411329967 has 2 divisors, whose sum is σ = 155411329968. Its totient is φ = 155411329966.

The previous prime is 155411329961. The next prime is 155411329993. The reversal of 155411329967 is 769923114551.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (769923114551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155411329967 - 2⁶ = 155411329903 is a prime.

It is a super-2 number, since 2×155411329967² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155411329961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77705664983 + 77705664984.

It is an arithmetic number, because the mean of its divisors is an integer number (77705664984).

Almost surely, 2^155411329967 is an apocalyptic number.

155411329967 is a deficient number, since it is larger than the sum of its proper divisors (1).

155411329967 is an equidigital number, since it uses as much as digits as its factorization.

155411329967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 53.

The spelling of 155411329967 in words is "one hundred fifty-five billion, four hundred eleven million, three hundred twenty-nine thousand, nine hundred sixty-seven".