1215114423135 has 32 divisors (see below), whose sum is σ = 2009952072192. Its totient is φ = 626370019200.

The previous prime is 1215114423073. The next prime is 1215114423139. The reversal of 1215114423135 is 5313244115121.

It is not a de Polignac number, because 1215114423135 - 2⁷ = 1215114423007 is a prime.

It is a super-2 number, since 2×1215114423135² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1215114423096 and 1215114423105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215114423139) 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, 7165849 + ... + 7333458.

It is an arithmetic number, because the mean of its divisors is an integer number (62811002256).

Almost surely, 2^{1215114423135} is an apocalyptic number.

1215114423135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1215114423135 is a deficient number, since it is larger than the sum of its proper divisors (794837649057).

1215114423135 is a wasteful number, since it uses less digits than its factorization.

1215114423135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14499503.

The product of its digits is 14400, while the sum is 33.

Adding to 1215114423135 its reverse (5313244115121), we get a palindrome (6528358538256).

The spelling of 1215114423135 in words is "one trillion, two hundred fifteen billion, one hundred fourteen million, four hundred twenty-three thousand, one hundred thirty-five".