1050155451997 has 2 divisors, whose sum is σ = 1050155451998. Its totient is φ = 1050155451996.

The previous prime is 1050155451977. The next prime is 1050155452063. The reversal of 1050155451997 is 7991545510501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046731563801 + 3423888196 = 1023099^2 + 58514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050155451997 is a prime.

It is a super-2 number, since 2×1050155451997² (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 (1050155451977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525077725998 + 525077725999.

It is an arithmetic number, because the mean of its divisors is an integer number (525077725999).

Almost surely, 2^{1050155451997} is an apocalyptic number.

It is an amenable number.

1050155451997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050155451997 is an equidigital number, since it uses as much as digits as its factorization.

1050155451997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417500, while the sum is 52.

The spelling of 1050155451997 in words is "one trillion, fifty billion, one hundred fifty-five million, four hundred fifty-one thousand, nine hundred ninety-seven".