1050705551 has 4 divisors (see below), whose sum is σ = 1200806352. Its totient is φ = 900604752.

The previous prime is 1050705533. The next prime is 1050705569. The reversal of 1050705551 is 1555070501.

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

It is an interprime number because it is at equal distance from previous prime (1050705533) and next prime (1050705569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050705551 is a prime.

It is a super-2 number, since 2×1050705551² = 2207964309804427202, 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 (1050705521) 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, 75050390 + ... + 75050403.

It is an arithmetic number, because the mean of its divisors is an integer number (300201588).

Almost surely, 2^1050705551 is an apocalyptic number.

1050705551 is a deficient number, since it is larger than the sum of its proper divisors (150100801).

1050705551 is an equidigital number, since it uses as much as digits as its factorization.

1050705551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150100800.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 1050705551 is about 32414.5885520702. The cubic root of 1050705551 is about 1016.6239628156.

The spelling of 1050705551 in words is "one billion, fifty million, seven hundred five thousand, five hundred fifty-one".