102554534405 has 4 divisors (see below), whose sum is σ = 123065441292. Its totient is φ = 82043627520.

The previous prime is 102554534389. The next prime is 102554534429. The reversal of 102554534405 is 504435455201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504435455201 = 113 ⋅4464030577.

It can be written as a sum of positive squares in 2 ways, for example, as 67809201604 + 34745332801 = 260402^2 + 186401^2 .

It is not a de Polignac number, because 102554534405 - 2⁴ = 102554534389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10255453436 + ... + 10255453445.

It is an arithmetic number, because the mean of its divisors is an integer number (30766360323).

Almost surely, 2^102554534405 is an apocalyptic number.

It is an amenable number.

102554534405 is a deficient number, since it is larger than the sum of its proper divisors (20510906887).

102554534405 is an equidigital number, since it uses as much as digits as its factorization.

102554534405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20510906886.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 102554534405 its reverse (504435455201), we get a palindrome (606989989606).

The spelling of 102554534405 in words is "one hundred two billion, five hundred fifty-four million, five hundred thirty-four thousand, four hundred five".