11551506101 has 4 divisors (see below), whose sum is σ = 11747294400. Its totient is φ = 11355717804.

The previous prime is 11551506073. The next prime is 11551506149. The reversal of 11551506101 is 10160515511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10160515511 = 17 ⋅597677383.

It is a cyclic number.

It is not a de Polignac number, because 11551506101 - 2³⁰ = 10477764277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551502101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97894061 + ... + 97894178.

It is an arithmetic number, because the mean of its divisors is an integer number (2936823600).

Almost surely, 2^11551506101 is an apocalyptic number.

It is an amenable number.

11551506101 is a deficient number, since it is larger than the sum of its proper divisors (195788299).

11551506101 is an equidigital number, since it uses as much as digits as its factorization.

11551506101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195788298.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 11551506101 in words is "eleven billion, five hundred fifty-one million, five hundred six thousand, one hundred one".