102555000019 has 32 divisors (see below), whose sum is σ = 110201472000. Its totient is φ = 95267445504.

The previous prime is 102554999971. The next prime is 102555000029. The reversal of 102555000019 is 910000555201.

It is not a de Polignac number, because 102555000019 - 2⁷ = 102554999891 is a prime.

It is a super-2 number, since 2×102555000019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102555000029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21711592 + ... + 21716314.

It is an arithmetic number, because the mean of its divisors is an integer number (3443796000).

Almost surely, 2^102555000019 is an apocalyptic number.

102555000019 is a deficient number, since it is larger than the sum of its proper divisors (7646471981).

102555000019 is a wasteful number, since it uses less digits than its factorization.

102555000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067.

The product of its (nonzero) digits is 2250, while the sum is 28.

The spelling of 102555000019 in words is "one hundred two billion, five hundred fifty-five million, nineteen", and thus it is an aban number.