103404661503 has 32 divisors (see below), whose sum is σ = 162497567232. Its totient is φ = 57662678400.

The previous prime is 103404661501. The next prime is 103404661511. The reversal of 103404661503 is 305166404301.

It is not a de Polignac number, because 103404661503 - 2¹ = 103404661501 is a prime.

It is a super-3 number, since 3×103404661503³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103404661501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254100 + ... + 520937.

It is an arithmetic number, because the mean of its divisors is an integer number (5078048976).

Almost surely, 2^103404661503 is an apocalyptic number.

103404661503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103404661503 is a deficient number, since it is larger than the sum of its proper divisors (59092905729).

103404661503 is a wasteful number, since it uses less digits than its factorization.

103404661503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775375.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 103404661503 in words is "one hundred three billion, four hundred four million, six hundred sixty-one thousand, five hundred three".