1055200171215 has 16 divisors (see below), whose sum is σ = 1698079354848. Its totient is φ = 559520397696.

The previous prime is 1055200171183. The next prime is 1055200171241. The reversal of 1055200171215 is 5121710025501.

It is not a de Polignac number, because 1055200171215 - 2⁵ = 1055200171183 is a prime.

It is a super-2 number, since 2×1055200171215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203311504 + ... + 203316693.

It is an arithmetic number, because the mean of its divisors is an integer number (106129959678).

Almost surely, 2^{1055200171215} is an apocalyptic number.

1055200171215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055200171215 is a deficient number, since it is larger than the sum of its proper divisors (642879183633).

1055200171215 is a wasteful number, since it uses less digits than its factorization.

1055200171215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406628378.

The product of its (nonzero) digits is 3500, while the sum is 30.

Adding to 1055200171215 its reverse (5121710025501), we get a palindrome (6176910196716).

The spelling of 1055200171215 in words is "one trillion, fifty-five billion, two hundred million, one hundred seventy-one thousand, two hundred fifteen".