1050605551 has 4 divisors (see below), whose sum is σ = 1105900600. Its totient is φ = 995310504.

The previous prime is 1050605539. The next prime is 1050605557. The reversal of 1050605551 is 1555060501.

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

It is a cyclic number.

It is not a de Polignac number, because 1050605551 - 2¹⁷ = 1050474479 is a prime.

It is a super-2 number, since 2×1050605551² = 2207544047584027202, 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 (1050605557) 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, 27647496 + ... + 27647533.

It is an arithmetic number, because the mean of its divisors is an integer number (276475150).

Almost surely, 2^1050605551 is an apocalyptic number.

1050605551 is a deficient number, since it is larger than the sum of its proper divisors (55295049).

1050605551 is an equidigital number, since it uses as much as digits as its factorization.

1050605551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55295048.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1050605551 is about 32413.0460000291. The cubic root of 1050605551 is about 1016.5917096876.

The spelling of 1050605551 in words is "one billion, fifty million, six hundred five thousand, five hundred fifty-one".