11551051161611 has 8 divisors (see below), whose sum is σ = 12442606354080. Its totient is φ = 10659926368512.

The previous prime is 11551051161589. The next prime is 11551051161619. The reversal of 11551051161611 is 11616115015511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11551051161611 - 2¹⁰ = 11551051160587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551051161619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107544095 + ... + 107651448.

It is an arithmetic number, because the mean of its divisors is an integer number (1555325794260).

Almost surely, 2^{11551051161611} is an apocalyptic number.

11551051161611 is a deficient number, since it is larger than the sum of its proper divisors (891555192469).

11551051161611 is a wasteful number, since it uses less digits than its factorization.

11551051161611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215199685.

The product of its (nonzero) digits is 4500, while the sum is 35.

The spelling of 11551051161611 in words is "eleven trillion, five hundred fifty-one billion, fifty-one million, one hundred sixty-one thousand, six hundred eleven".