11105101551 has 32 divisors (see below), whose sum is σ = 15969139200. Its totient is φ = 6843432960.

The previous prime is 11105101547. The next prime is 11105101559. The reversal of 11105101551 is 15510150111.

It is not a de Polignac number, because 11105101551 - 2² = 11105101547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105101559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378415 + ... + 406703.

It is an arithmetic number, because the mean of its divisors is an integer number (499035600).

Almost surely, 2^11105101551 is an apocalyptic number.

11105101551 is a deficient number, since it is larger than the sum of its proper divisors (4864037649).

11105101551 is a wasteful number, since it uses less digits than its factorization.

11105101551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28479.

The product of its (nonzero) digits is 125, while the sum is 21.

Adding to 11105101551 its reverse (15510150111), we get a palindrome (26615251662).

The spelling of 11105101551 in words is "eleven billion, one hundred five million, one hundred one thousand, five hundred fifty-one".