11651280451807 has 8 divisors (see below), whose sum is σ = 11914898936256. Its totient is φ = 11388316921632.

The previous prime is 11651280451793. The next prime is 11651280451829. The reversal of 11651280451807 is 70815408215611.

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 11651280451807 - 2³¹ = 11649132968159 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 (11651280455807) 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, 163702588 + ... + 163773745.

It is an arithmetic number, because the mean of its divisors is an integer number (1489362367032).

Almost surely, 2^{11651280451807} is an apocalyptic number.

11651280451807 is a deficient number, since it is larger than the sum of its proper divisors (263618484449).

11651280451807 is an equidigital number, since it uses as much as digits as its factorization.

11651280451807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327477137.

The product of its (nonzero) digits is 537600, while the sum is 49.

The spelling of 11651280451807 in words is "eleven trillion, six hundred fifty-one billion, two hundred eighty million, four hundred fifty-one thousand, eight hundred seven".