1010551005601 has 4 divisors (see below), whose sum is σ = 1020556461204. Its totient is φ = 1000545550000.

The previous prime is 1010551005593. The next prime is 1010551005637. The reversal of 1010551005601 is 1065001550101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 444723599376 + 565827406225 = 666876^2 + 752215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010551005601 - 2³ = 1010551005593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010551005641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002727650 + ... + 5002727851.

It is an arithmetic number, because the mean of its divisors is an integer number (255139115301).

Almost surely, 2^{1010551005601} is an apocalyptic number.

It is an amenable number.

1010551005601 is a deficient number, since it is larger than the sum of its proper divisors (10005455603).

1010551005601 is a wasteful number, since it uses less digits than its factorization.

1010551005601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005455602.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 1010551005601 its reverse (1065001550101), we get a palindrome (2075552555702).

The spelling of 1010551005601 in words is "one trillion, ten billion, five hundred fifty-one million, five thousand, six hundred one".