11451305020651 has 8 divisors (see below), whose sum is σ = 11847261064320. Its totient is φ = 11055421207488.

The previous prime is 11451305020637. The next prime is 11451305020657. The reversal of 11451305020651 is 15602050315411.

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 11451305020651 - 2¹⁷ = 11451304889579 is a prime.

It is a super-2 number, since 2×11451305020651² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451305020657) 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, 17734971 + ... + 18369316.

It is an arithmetic number, because the mean of its divisors is an integer number (1480907633040).

Almost surely, 2^{11451305020651} is an apocalyptic number.

11451305020651 is a deficient number, since it is larger than the sum of its proper divisors (395956043669).

11451305020651 is a wasteful number, since it uses less digits than its factorization.

11451305020651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36115253.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 11451305020651 in words is "eleven trillion, four hundred fifty-one billion, three hundred five million, twenty thousand, six hundred fifty-one".