1000550115 has 24 divisors (see below), whose sum is σ = 1781162448. Its totient is φ = 519203520.

The previous prime is 1000550093. The next prime is 1000550119. The reversal of 1000550115 is 5110550001.

1000550115 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 550 + 115 = 666.

It is not a de Polignac number, because 1000550115 - 2¹⁴ = 1000533731 is a prime.

It is a super-2 number, since 2×1000550115² = 2002201065253026450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000550119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298801 + ... + 302130.

It is an arithmetic number, because the mean of its divisors is an integer number (74215102).

Almost surely, 2^1000550115 is an apocalyptic number.

1000550115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1000550115 is a deficient number, since it is larger than the sum of its proper divisors (780612333).

1000550115 is a wasteful number, since it uses less digits than its factorization.

1000550115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600979 (or 600976 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1000550115 is about 31631.4734876515. The cubic root of 1000550115 is about 1000.1833380518.

The spelling of 1000550115 in words is "one billion, five hundred fifty thousand, one hundred fifteen".