102554027259 has 4 divisors (see below), whose sum is σ = 136738703016. Its totient is φ = 68369351504.

The previous prime is 102554027189. The next prime is 102554027267. The reversal of 102554027259 is 952720455201.

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 102554027259 - 2⁹ = 102554026747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102554027259.

It is not an unprimeable number, because it can be changed into a prime (102554097259) 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, 17092337874 + ... + 17092337879.

It is an arithmetic number, because the mean of its divisors is an integer number (34184675754).

Almost surely, 2^102554027259 is an apocalyptic number.

102554027259 is a deficient number, since it is larger than the sum of its proper divisors (34184675757).

102554027259 is an equidigital number, since it uses as much as digits as its factorization.

102554027259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34184675756.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 102554027259 in words is "one hundred two billion, five hundred fifty-four million, twenty-seven thousand, two hundred fifty-nine".