11510450551 has 8 divisors (see below), whose sum is σ = 11611939680. Its totient is φ = 11409396768.

The previous prime is 11510450537. The next prime is 11510450569. The reversal of 11510450551 is 15505401511.

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 11510450551 - 2²⁷ = 11376232823 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 (11510450051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55611 + ... + 161596.

It is an arithmetic number, because the mean of its divisors is an integer number (1451492460).

Almost surely, 2^11510450551 is an apocalyptic number.

11510450551 is a deficient number, since it is larger than the sum of its proper divisors (101489129).

11510450551 is a wasteful number, since it uses less digits than its factorization.

11510450551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217673.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 11510450551 in words is "eleven billion, five hundred ten million, four hundred fifty thousand, five hundred fifty-one".