1050661026157 has 2 divisors, whose sum is σ = 1050661026158. Its totient is φ = 1050661026156.

The previous prime is 1050661026139. The next prime is 1050661026197. The reversal of 1050661026157 is 7516201660501.

It is an a-pointer prime, because the next prime (1050661026197) can be obtained adding 1050661026157 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774630577161 + 276030448996 = 880131^2 + 525386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050661026157 - 2⁷ = 1050661026029 is a prime.

It is a super-2 number, since 2×1050661026157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050661026137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525330513078 + 525330513079.

It is an arithmetic number, because the mean of its divisors is an integer number (525330513079).

Almost surely, 2^{1050661026157} is an apocalyptic number.

It is an amenable number.

1050661026157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050661026157 is an equidigital number, since it uses as much as digits as its factorization.

1050661026157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

Adding to 1050661026157 its reverse (7516201660501), we get a palindrome (8566862686658).

The spelling of 1050661026157 in words is "one trillion, fifty billion, six hundred sixty-one million, twenty-six thousand, one hundred fifty-seven".