1001050551 has 48 divisors (see below), whose sum is σ = 1550465280. Its totient is φ = 620991360.

The previous prime is 1001050541. The next prime is 1001050553. The reversal of 1001050551 is 1550501001.

1001050551 is a `hidden beast` number, since 10 + 0 + 105 + 0 + 551 = 666.

It is not a de Polignac number, because 1001050551 - 2²¹ = 998953399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001050553) 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 47 ways as a sum of consecutive naturals, for example, 1233936 + ... + 1234746.

It is an arithmetic number, because the mean of its divisors is an integer number (32301360).

Almost surely, 2^1001050551 is an apocalyptic number.

1001050551 is a deficient number, since it is larger than the sum of its proper divisors (549414729).

1001050551 is a wasteful number, since it uses less digits than its factorization.

1001050551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 993 counting only the distinct ones).

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

The square root of 1001050551 is about 31639.3829111757. The cubic root of 1001050551 is about 1000.3500611096.

Adding to 1001050551 its reverse (1550501001), we get a palindrome (2551551552).

The spelling of 1001050551 in words is "one billion, one million, fifty thousand, five hundred fifty-one".