11551292489 has 4 divisors (see below), whose sum is σ = 12601410000. Its totient is φ = 10501174980.

The previous prime is 11551292483. The next prime is 11551292491. The reversal of 11551292489 is 98429215511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11551292489 - 2²⁴ = 11534515273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551292483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525058739 + ... + 525058760.

It is an arithmetic number, because the mean of its divisors is an integer number (3150352500).

Almost surely, 2^11551292489 is an apocalyptic number.

It is an amenable number.

11551292489 is a deficient number, since it is larger than the sum of its proper divisors (1050117511).

11551292489 is a wasteful number, since it uses less digits than its factorization.

11551292489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050117510.

The product of its digits is 259200, while the sum is 47.

The spelling of 11551292489 in words is "eleven billion, five hundred fifty-one million, two hundred ninety-two thousand, four hundred eighty-nine".