11451510705 has 16 divisors (see below), whose sum is σ = 18324618624. Its totient is φ = 6106738560.

The previous prime is 11451510677. The next prime is 11451510727. The reversal of 11451510705 is 50701515411.

It is not a de Polignac number, because 11451510705 - 2⁹ = 11451510193 is a prime.

It is a super-2 number, since 2×11451510705² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97620 + ... + 180090.

It is an arithmetic number, because the mean of its divisors is an integer number (1145288664).

Almost surely, 2^11451510705 is an apocalyptic number.

11451510705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11451510705 is a deficient number, since it is larger than the sum of its proper divisors (6873107919).

11451510705 is an equidigital number, since it uses as much as digits as its factorization.

11451510705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91736.

The product of its (nonzero) digits is 3500, while the sum is 30.

The spelling of 11451510705 in words is "eleven billion, four hundred fifty-one million, five hundred ten thousand, seven hundred five".