195102478228555 has 16 divisors (see below), whose sum is σ = 235436339625984. Its totient is φ = 155207013687520.

The previous prime is 195102478228519. The next prime is 195102478228561. The reversal of 195102478228555 is 555822874201591.

It is not a de Polignac number, because 195102478228555 - 2²³ = 195102469839947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35449507 + ... + 40581676.

It is an arithmetic number, because the mean of its divisors is an integer number (14714771226624).

Almost surely, 2^{195102478228555} is an apocalyptic number.

195102478228555 is a deficient number, since it is larger than the sum of its proper divisors (40333861397429).

195102478228555 is a wasteful number, since it uses less digits than its factorization.

195102478228555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76034066.

The product of its (nonzero) digits is 80640000, while the sum is 64.

The spelling of 195102478228555 in words is "one hundred ninety-five trillion, one hundred two billion, four hundred seventy-eight million, two hundred twenty-eight thousand, five hundred fifty-five".