1051626356401 has 2 divisors, whose sum is σ = 1051626356402. Its totient is φ = 1051626356400.

The previous prime is 1051626356387. The next prime is 1051626356441. The reversal of 1051626356401 is 1046536261501.

It is a happy number.

It is an a-pointer prime, because the next prime (1051626356441) can be obtained adding 1051626356401 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., 859558911376 + 192067445025 = 927124^2 + 438255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051626356401 - 2¹⁷ = 1051626225329 is a prime.

It is a super-2 number, since 2×1051626356401² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051626356441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525813178200 + 525813178201.

It is an arithmetic number, because the mean of its divisors is an integer number (525813178201).

Almost surely, 2^{1051626356401} is an apocalyptic number.

It is an amenable number.

1051626356401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051626356401 is an equidigital number, since it uses as much as digits as its factorization.

1051626356401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1051626356401 in words is "one trillion, fifty-one billion, six hundred twenty-six million, three hundred fifty-six thousand, four hundred one".