1010402553401 has 2 divisors, whose sum is σ = 1010402553402. Its totient is φ = 1010402553400.

The previous prime is 1010402553379. The next prime is 1010402553451. The reversal of 1010402553401 is 1043552040101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519443084176 + 490959469225 = 720724^2 + 700685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010402553401 - 2³⁰ = 1009328811577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010402553451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505201276700 + 505201276701.

It is an arithmetic number, because the mean of its divisors is an integer number (505201276701).

Almost surely, 2^{1010402553401} is an apocalyptic number.

It is an amenable number.

1010402553401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010402553401 is an equidigital number, since it uses as much as digits as its factorization.

1010402553401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1010402553401 its reverse (1043552040101), we get a palindrome (2053954593502).

The spelling of 1010402553401 in words is "one trillion, ten billion, four hundred two million, five hundred fifty-three thousand, four hundred one".