1115651611005 has 8 divisors (see below), whose sum is σ = 1785042577632. Its totient is φ = 595014192528.

The previous prime is 1115651610973. The next prime is 1115651611007. The reversal of 1115651611005 is 5001161565111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1115651611005 - 2⁵ = 1115651610973 is a prime.

It is a super-2 number, since 2×1115651611005² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115651611007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37188387019 + ... + 37188387048.

It is an arithmetic number, because the mean of its divisors is an integer number (223130322204).

Almost surely, 2^{1115651611005} is an apocalyptic number.

1115651611005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115651611005 is a deficient number, since it is larger than the sum of its proper divisors (669390966627).

1115651611005 is an equidigital number, since it uses as much as digits as its factorization.

1115651611005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74376774075.

The product of its (nonzero) digits is 4500, while the sum is 33.

The spelling of 1115651611005 in words is "one trillion, one hundred fifteen billion, six hundred fifty-one million, six hundred eleven thousand, five".