155951190655467 has 4 divisors (see below), whose sum is σ = 207934920873960. Its totient is φ = 103967460436976.

The previous prime is 155951190655453. The next prime is 155951190655493. The reversal of 155951190655467 is 764556091159551.

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

It is a cyclic number.

It is not a de Polignac number, because 155951190655467 - 2¹² = 155951190651371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155951190655867) 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, 25991865109242 + ... + 25991865109247.

It is an arithmetic number, because the mean of its divisors is an integer number (51983730218490).

Almost surely, 2^{155951190655467} is an apocalyptic number.

155951190655467 is a deficient number, since it is larger than the sum of its proper divisors (51983730218493).

155951190655467 is an equidigital number, since it uses as much as digits as its factorization.

155951190655467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51983730218492.

The product of its (nonzero) digits is 255150000, while the sum is 69.

The spelling of 155951190655467 in words is "one hundred fifty-five trillion, nine hundred fifty-one billion, one hundred ninety million, six hundred fifty-five thousand, four hundred sixty-seven".