11551543540135 has 16 divisors (see below), whose sum is σ = 14246706519936. Its totient is φ = 8986558821408.

The previous prime is 11551543540129. The next prime is 11551543540169. The reversal of 11551543540135 is 53104534515511.

It is a cyclic number.

It is not a de Polignac number, because 11551543540135 - 2⁷ = 11551543540007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11551543540091 and 11551543540100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118295049 + ... + 118392658.

It is an arithmetic number, because the mean of its divisors is an integer number (890419157496).

Almost surely, 2^{11551543540135} is an apocalyptic number.

11551543540135 is a deficient number, since it is larger than the sum of its proper divisors (2695162979801).

11551543540135 is a wasteful number, since it uses less digits than its factorization.

11551543540135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236687982.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 11551543540135 in words is "eleven trillion, five hundred fifty-one billion, five hundred forty-three million, five hundred forty thousand, one hundred thirty-five".