103405504155 has 32 divisors (see below), whose sum is σ = 182797668864. Its totient is φ = 49648743936.

The previous prime is 103405504093. The next prime is 103405504171. The reversal of 103405504155 is 551405504301.

It is not a de Polignac number, because 103405504155 - 2¹² = 103405500059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8809609 + ... + 8821338.

It is an arithmetic number, because the mean of its divisors is an integer number (5712427152).

Almost surely, 2^103405504155 is an apocalyptic number.

103405504155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103405504155 is a deficient number, since it is larger than the sum of its proper divisors (79392164709).

103405504155 is a wasteful number, since it uses less digits than its factorization.

103405504155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630995.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 103405504155 in words is "one hundred three billion, four hundred five million, five hundred four thousand, one hundred fifty-five".