1550085117 has 32 divisors (see below), whose sum is σ = 2412288000. Its totient is φ = 866998080.

The previous prime is 1550085107. The next prime is 1550085127. The reversal of 1550085117 is 7115800551.

It is an interprime number because it is at equal distance from previous prime (1550085107) and next prime (1550085127).

It is not a de Polignac number, because 1550085117 - 2⁷ = 1550084989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550085107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553992 + ... + 556782.

It is an arithmetic number, because the mean of its divisors is an integer number (75384000).

Almost surely, 2^1550085117 is an apocalyptic number.

It is an amenable number.

1550085117 is a deficient number, since it is larger than the sum of its proper divisors (862202883).

1550085117 is a wasteful number, since it uses less digits than its factorization.

1550085117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353.

The product of its (nonzero) digits is 7000, while the sum is 33.

The square root of 1550085117 is about 39371.1203422001. The cubic root of 1550085117 is about 1157.3157108404.

Adding to 1550085117 its reverse (7115800551), we get a palindrome (8665885668).

The spelling of 1550085117 in words is "one billion, five hundred fifty million, eighty-five thousand, one hundred seventeen".