102540404255 has 8 divisors (see below), whose sum is σ = 123050331600. Its totient is φ = 82031092416.

The previous prime is 102540404237. The next prime is 102540404273. The reversal of 102540404255 is 552404045201.

It is an interprime number because it is at equal distance from previous prime (102540404237) and next prime (102540404273).

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

It is a cyclic number.

It is not a de Polignac number, because 102540404255 - 2⁶ = 102540404191 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, 382811 + ... + 592979.

It is an arithmetic number, because the mean of its divisors is an integer number (15381291450).

Almost surely, 2^102540404255 is an apocalyptic number.

102540404255 is a deficient number, since it is larger than the sum of its proper divisors (20509927345).

102540404255 is an equidigital number, since it uses as much as digits as its factorization.

102540404255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307753.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 102540404255 its reverse (552404045201), we get a palindrome (654944449456).

The spelling of 102540404255 in words is "one hundred two billion, five hundred forty million, four hundred four thousand, two hundred fifty-five".