1051511053 has 12 divisors (see below), whose sum is σ = 1124996988. Its totient is φ = 982497600.

The previous prime is 1051511023. The next prime is 1051511057. The reversal of 1051511053 is 3501151501.

It can be written as a sum of positive squares in 2 ways, for example, as 268238884 + 783272169 = 16378^2 + 27987^2 .

It is not a de Polignac number, because 1051511053 - 2¹⁷ = 1051379981 is a prime.

It is a super-2 number, since 2×1051511053² = 2211350989162337618, 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 (1051511057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6403 + ... + 46303.

It is an arithmetic number, because the mean of its divisors is an integer number (93749749).

Almost surely, 2^1051511053 is an apocalyptic number.

It is an amenable number.

1051511053 is a deficient number, since it is larger than the sum of its proper divisors (73485935).

1051511053 is an equidigital number, since it uses as much as digits as its factorization.

1051511053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40012 (or 39993 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1051511053 is about 32427.0111635346. The cubic root of 1051511053 is about 1016.8836878042.

Adding to 1051511053 its reverse (3501151501), we get a palindrome (4552662554).

The spelling of 1051511053 in words is "one billion, fifty-one million, five hundred eleven thousand, fifty-three".