103420663155 has 12 divisors (see below), whose sum is σ = 179262482880. Its totient is φ = 55157686992.

The previous prime is 103420663121. The next prime is 103420663163. The reversal of 103420663155 is 551366024301.

103420663155 is a `hidden beast` number, since 10 + 3 + 4 + 2 + 0 + 6 + 631 + 5 + 5 = 666.

It is not a de Polignac number, because 103420663155 - 2⁸ = 103420662899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1149118435 + ... + 1149118524.

It is an arithmetic number, because the mean of its divisors is an integer number (14938540240).

Almost surely, 2^103420663155 is an apocalyptic number.

103420663155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103420663155 is a deficient number, since it is larger than the sum of its proper divisors (75841819725).

103420663155 is a wasteful number, since it uses less digits than its factorization.

103420663155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298236970 (or 2298236967 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 103420663155 its reverse (551366024301), we get a palindrome (654786687456).

The spelling of 103420663155 in words is "one hundred three billion, four hundred twenty million, six hundred sixty-three thousand, one hundred fifty-five".