1164240420015 has 32 divisors (see below), whose sum is σ = 1909409331456. Its totient is φ = 605436733440.

The previous prime is 1164240419983. The next prime is 1164240420019. The reversal of 1164240420015 is 5100240424611.

It is not a de Polignac number, because 1164240420015 - 2⁵ = 1164240419983 is a prime.

It is a super-2 number, since 2×1164240420015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164240420019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191981 + ... + 1936310.

It is an arithmetic number, because the mean of its divisors is an integer number (59669041608).

Almost surely, 2^{1164240420015} is an apocalyptic number.

1164240420015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1164240420015 is a deficient number, since it is larger than the sum of its proper divisors (745168911441).

1164240420015 is a wasteful number, since it uses less digits than its factorization.

1164240420015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128919.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1164240420015 its reverse (5100240424611), we get a palindrome (6264480844626).

The spelling of 1164240420015 in words is "one trillion, one hundred sixty-four billion, two hundred forty million, four hundred twenty thousand, fifteen".