1051425114491 has 2 divisors, whose sum is σ = 1051425114492. Its totient is φ = 1051425114490.

The previous prime is 1051425114449. The next prime is 1051425114521. The reversal of 1051425114491 is 1944115241501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051425114491 - 2¹⁰ = 1051425113467 is a prime.

It is a super-2 number, since 2×1051425114491² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051425114391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525712557245 + 525712557246.

It is an arithmetic number, because the mean of its divisors is an integer number (525712557246).

Almost surely, 2^{1051425114491} is an apocalyptic number.

1051425114491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051425114491 is an equidigital number, since it uses as much as digits as its factorization.

1051425114491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 1051425114491 in words is "one trillion, fifty-one billion, four hundred twenty-five million, one hundred fourteen thousand, four hundred ninety-one".