1051315775 has 12 divisors (see below), whose sum is σ = 1304676912. Its totient is φ = 840378240.

The previous prime is 1051315757. The next prime is 1051315789. The reversal of 1051315775 is 5775131501.

It is a Cunningham number, because it is equal to 32424²-1.

It is not a de Polignac number, because 1051315775 - 2¹⁴ = 1051299391 is a prime.

It is a super-2 number, since 2×1051315775² = 2210529717527701250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16214 + ... + 48636.

It is an arithmetic number, because the mean of its divisors is an integer number (108723076).

Almost surely, 2^1051315775 is an apocalyptic number.

1051315775 is a deficient number, since it is larger than the sum of its proper divisors (253361137).

1051315775 is a wasteful number, since it uses less digits than its factorization.

1051315775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33730 (or 33725 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 35.

The square root of 1051315775 is about 32423.9999845793. Note that the first 4 decimals coincide. The cubic root of 1051315775 is about 1016.8207348104.

The spelling of 1051315775 in words is "one billion, fifty-one million, three hundred fifteen thousand, seven hundred seventy-five".