102053415055 has 4 divisors (see below), whose sum is σ = 122464098072. Its totient is φ = 81642732040.

The previous prime is 102053415017. The next prime is 102053415083. The reversal of 102053415055 is 550514350201.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-102053415055 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 10205341501 + ... + 10205341510.

It is an arithmetic number, because the mean of its divisors is an integer number (30616024518).

Almost surely, 2^102053415055 is an apocalyptic number.

102053415055 is a deficient number, since it is larger than the sum of its proper divisors (20410683017).

102053415055 is an equidigital number, since it uses as much as digits as its factorization.

102053415055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410683016.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 102053415055 its reverse (550514350201), we get a palindrome (652567765256).

The spelling of 102053415055 in words is "one hundred two billion, fifty-three million, four hundred fifteen thousand, fifty-five".