155115067 has 4 divisors (see below), whose sum is σ = 155144080. Its totient is φ = 155086056.

The previous prime is 155115043. The next prime is 155115073. The reversal of 155115067 is 760511551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760511551 = 739 ⋅1029109.

It is a cyclic number.

It is not a de Polignac number, because 155115067 - 2¹⁵ = 155082299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155115167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3903 + ... + 18040.

It is an arithmetic number, because the mean of its divisors is an integer number (38786020).

Almost surely, 2^155115067 is an apocalyptic number.

155115067 is a deficient number, since it is larger than the sum of its proper divisors (29013).

155115067 is an equidigital number, since it uses as much as digits as its factorization.

155115067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29012.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 155115067 is about 12454.5199425751. The cubic root of 155115067 is about 537.3014281457.

The spelling of 155115067 in words is "one hundred fifty-five million, one hundred fifteen thousand, sixty-seven".