11553540149 has 8 divisors (see below), whose sum is σ = 11628541440. Its totient is φ = 11478690400.

The previous prime is 11553540127. The next prime is 11553540199. The reversal of 11553540149 is 94104535511.

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 11553540149 - 2²⁸ = 11285104693 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 (11553540199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117134 + ... + 191904.

It is an arithmetic number, because the mean of its divisors is an integer number (1453567680).

Almost surely, 2^11553540149 is an apocalyptic number.

It is an amenable number.

11553540149 is a deficient number, since it is larger than the sum of its proper divisors (75001291).

11553540149 is an equidigital number, since it uses as much as digits as its factorization.

11553540149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75771.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 11553540149 in words is "eleven billion, five hundred fifty-three million, five hundred forty thousand, one hundred forty-nine".