10011000055501 has 4 divisors (see below), whose sum is σ = 10255170788604. Its totient is φ = 9766829322400.

The previous prime is 10011000055439. The next prime is 10011000055523. The reversal of 10011000055501 is 10555000011001.

It is a happy number.

10011000055501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 698285853225 + 9312714202276 = 835635^2 + 3051674^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011000055501 - 2³⁷ = 9873561102029 is a prime.

It is a super-2 number, since 2×10011000055501² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011000056501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122085366490 + ... + 122085366571.

It is an arithmetic number, because the mean of its divisors is an integer number (2563792697151).

Almost surely, 2^{10011000055501} is an apocalyptic number.

It is an amenable number.

10011000055501 is a deficient number, since it is larger than the sum of its proper divisors (244170733103).

10011000055501 is an equidigital number, since it uses as much as digits as its factorization.

10011000055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244170733102.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 10011000055501 its reverse (10555000011001), we get a palindrome (20566000066502).

The spelling of 10011000055501 in words is "ten trillion, eleven billion, fifty-five thousand, five hundred one".