155869496967 has 4 divisors (see below), whose sum is σ = 207825995960. Its totient is φ = 103912997976.

The previous prime is 155869496957. The next prime is 155869496971. The reversal of 155869496967 is 769694968551.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 155869496967 - 2¹¹ = 155869494919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155869496957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25978249492 + ... + 25978249497.

It is an arithmetic number, because the mean of its divisors is an integer number (51956498990).

Almost surely, 2^155869496967 is an apocalyptic number.

155869496967 is a deficient number, since it is larger than the sum of its proper divisors (51956498993).

155869496967 is an equidigital number, since it uses as much as digits as its factorization.

155869496967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51956498992.

The product of its digits is 881798400, while the sum is 75.

The spelling of 155869496967 in words is "one hundred fifty-five billion, eight hundred sixty-nine million, four hundred ninety-six thousand, nine hundred sixty-seven".