102549201855 has 8 divisors (see below), whose sum is σ = 164078722992. Its totient is φ = 54692907648.

The previous prime is 102549201823. The next prime is 102549201863. The reversal of 102549201855 is 558102945201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102549201855 - 2⁵ = 102549201823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3418306714 + ... + 3418306743.

It is an arithmetic number, because the mean of its divisors is an integer number (20509840374).

Almost surely, 2^102549201855 is an apocalyptic number.

102549201855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102549201855 is a deficient number, since it is larger than the sum of its proper divisors (61529521137).

102549201855 is an equidigital number, since it uses as much as digits as its factorization.

102549201855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836613465.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 102549201855 in words is "one hundred two billion, five hundred forty-nine million, two hundred one thousand, eight hundred fifty-five".