101402511144457 has 2 divisors, whose sum is σ = 101402511144458. Its totient is φ = 101402511144456.

The previous prime is 101402511144397. The next prime is 101402511144479. The reversal of 101402511144457 is 754441115204101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53542528060176 + 47859983084281 = 7317276^2 + 6918091^2 .

It is a cyclic number.

It is not a de Polignac number, because 101402511144457 - 2¹¹ = 101402511142409 is a prime.

It is not a weakly prime, because it can be changed into another prime (101402511444457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50701255572228 + 50701255572229.

It is an arithmetic number, because the mean of its divisors is an integer number (50701255572229).

Almost surely, 2^{101402511144457} is an apocalyptic number.

It is an amenable number.

101402511144457 is a deficient number, since it is larger than the sum of its proper divisors (1).

101402511144457 is an equidigital number, since it uses as much as digits as its factorization.

101402511144457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 40.

Adding to 101402511144457 its reverse (754441115204101), we get a palindrome (855843626348558).

The spelling of 101402511144457 in words is "one hundred one trillion, four hundred two billion, five hundred eleven million, one hundred forty-four thousand, four hundred fifty-seven".