11551542551141 has 8 divisors (see below), whose sum is σ = 11757228135840. Its totient is φ = 11346186857488.

The previous prime is 11551542551077. The next prime is 11551542551147. The reversal of 11551542551141 is 14115524515511.

It is a happy number.

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 11551542551141 - 2⁶ = 11551542551077 is a prime.

It is a super-2 number, since 2×11551542551141² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551542551147) 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 7 ways as a sum of consecutive naturals, for example, 82402106 + ... + 82542171.

It is an arithmetic number, because the mean of its divisors is an integer number (1469653516980).

Almost surely, 2^{11551542551141} is an apocalyptic number.

It is an amenable number.

11551542551141 is a deficient number, since it is larger than the sum of its proper divisors (205685584699).

11551542551141 is a wasteful number, since it uses less digits than its factorization.

11551542551141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164945523.

The product of its digits is 100000, while the sum is 41.

The spelling of 11551542551141 in words is "eleven trillion, five hundred fifty-one billion, five hundred forty-two million, five hundred fifty-one thousand, one hundred forty-one".