1005550151 has 4 divisors (see below), whose sum is σ = 1006985304. Its totient is φ = 1004115000.

The previous prime is 1005550123. The next prime is 1005550171. The reversal of 1005550151 is 1510555001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005550151 is a prime.

It is a super-2 number, since 2×1005550151² = 2022262212352245602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005550111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716525 + ... + 717926.

It is an arithmetic number, because the mean of its divisors is an integer number (251746326).

Almost surely, 2^1005550151 is an apocalyptic number.

1005550151 is a deficient number, since it is larger than the sum of its proper divisors (1435153).

1005550151 is an equidigital number, since it uses as much as digits as its factorization.

1005550151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435152.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 1005550151 is about 31710.4107668128. The cubic root of 1005550151 is about 1001.8466381618.

It can be divided in two parts, 10055 and 50151, that added together give a palindrome (60206).

The spelling of 1005550151 in words is "one billion, five million, five hundred fifty thousand, one hundred fifty-one".