11556546410451 has 16 divisors (see below), whose sum is σ = 17610026054144. Its totient is φ = 6603721841664.

The previous prime is 11556546410377. The next prime is 11556546410467. The reversal of 11556546410451 is 15401464565511.

It is not a de Polignac number, because 11556546410451 - 2¹⁰ = 11556546409427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11556546410451.

It is not an unprimeable number, because it can be changed into a prime (11556546418451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10347186 + ... + 11409528.

It is an arithmetic number, because the mean of its divisors is an integer number (1100626628384).

Almost surely, 2^{11556546410451} is an apocalyptic number.

11556546410451 is a deficient number, since it is larger than the sum of its proper divisors (6053479643693).

11556546410451 is a wasteful number, since it uses less digits than its factorization.

11556546410451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580370.

The product of its (nonzero) digits is 1440000, while the sum is 48.

The spelling of 11556546410451 in words is "eleven trillion, five hundred fifty-six billion, five hundred forty-six million, four hundred ten thousand, four hundred fifty-one".