103215464055 has 128 divisors (see below), whose sum is σ = 214285824000. Its totient is φ = 46605663360.

The previous prime is 103215464039. The next prime is 103215464059. The reversal of 103215464055 is 550464512301.

103215464055 is a `hidden beast` number, since 1 + 0 + 3 + 2 + 1 + 5 + 4 + 640 + 5 + 5 = 666.

It is not a de Polignac number, because 103215464055 - 2⁴ = 103215464039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103215464059) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1633684 + ... + 1695686.

It is an arithmetic number, because the mean of its divisors is an integer number (1674108000).

Almost surely, 2^103215464055 is an apocalyptic number.

103215464055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103215464055 is an abundant number, since it is smaller than the sum of its proper divisors (111070359945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103215464055 is a wasteful number, since it uses less digits than its factorization.

103215464055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62106 (or 62100 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 103215464055 its reverse (550464512301), we get a palindrome (653679976356).

It can be divided in two parts, 1032154 and 64055, that added together give a square (1096209 = 1047²).

The spelling of 103215464055 in words is "one hundred three billion, two hundred fifteen million, four hundred sixty-four thousand, fifty-five".