1555100041 has 12 divisors (see below), whose sum is σ = 1802139120. Its totient is φ = 1330564160.

The previous prime is 1555100003. The next prime is 1555100119. The reversal of 1555100041 is 1400015551.

It is a happy number.

It is not a de Polignac number, because 1555100041 - 2¹⁷ = 1554968969 is a prime.

It is a super-2 number, since 2×1555100041² = 4836672275036403362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1555099985 and 1555100021.

It is not an unprimeable number, because it can be changed into a prime (1555100341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241411 + ... + 247768.

It is an arithmetic number, because the mean of its divisors is an integer number (150178260).

Almost surely, 2^1555100041 is an apocalyptic number.

1555100041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1555100041 is a deficient number, since it is larger than the sum of its proper divisors (247039079).

1555100041 is a wasteful number, since it uses less digits than its factorization.

1555100041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489224 (or 489207 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1555100041 is about 39434.7567635455. The cubic root of 1555100041 is about 1158.5624386304.

Adding to 1555100041 its reverse (1400015551), we get a palindrome (2955115592).

The spelling of 1555100041 in words is "one billion, five hundred fifty-five million, one hundred thousand, forty-one".