1051126717537 has 4 divisors (see below), whose sum is σ = 1131982618900. Its totient is φ = 970270816176.

The previous prime is 1051126717519. The next prime is 1051126717577. The reversal of 1051126717537 is 7357176211501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70480161361 + 980646556176 = 265481^2 + 990276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051126717537 - 2³⁵ = 1016766979169 is a prime.

It is a super-2 number, since 2×1051126717537² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051126717507) 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 3 ways as a sum of consecutive naturals, for example, 40427950662 + ... + 40427950687.

It is an arithmetic number, because the mean of its divisors is an integer number (282995654725).

Almost surely, 2^{1051126717537} is an apocalyptic number.

It is an amenable number.

1051126717537 is a deficient number, since it is larger than the sum of its proper divisors (80855901363).

1051126717537 is an equidigital number, since it uses as much as digits as its factorization.

1051126717537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80855901362.

The product of its (nonzero) digits is 308700, while the sum is 46.

The spelling of 1051126717537 in words is "one trillion, fifty-one billion, one hundred twenty-six million, seven hundred seventeen thousand, five hundred thirty-seven".