10101550815553 has 2 divisors, whose sum is σ = 10101550815554. Its totient is φ = 10101550815552.

The previous prime is 10101550815487. The next prime is 10101550815589. The reversal of 10101550815553 is 35551805510101.

10101550815553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8981187840769 + 1120362974784 = 2996863^2 + 1058472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101550815553 is a prime.

It is a super-4 number, since 4×10101550815553⁴ (a number of 53 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (10101550815593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050775407776 + 5050775407777.

It is an arithmetic number, because the mean of its divisors is an integer number (5050775407777).

Almost surely, 2^{10101550815553} is an apocalyptic number.

It is an amenable number.

10101550815553 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101550815553 is an equidigital number, since it uses as much as digits as its factorization.

10101550815553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75000, while the sum is 40.

The spelling of 10101550815553 in words is "ten trillion, one hundred one billion, five hundred fifty million, eight hundred fifteen thousand, five hundred fifty-three".