1215054153053 has 32 divisors (see below), whose sum is σ = 1394456394240. Its totient is φ = 1048803978240.

The previous prime is 1215054153041. The next prime is 1215054153073. The reversal of 1215054153053 is 3503514505121.

It is a cyclic number.

It is not a de Polignac number, because 1215054153053 - 2⁴ = 1215054153037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215054153023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21789938 + ... + 21845628.

It is an arithmetic number, because the mean of its divisors is an integer number (43576762320).

Almost surely, 2^{1215054153053} is an apocalyptic number.

1215054153053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1215054153053 is a deficient number, since it is larger than the sum of its proper divisors (179402241187).

1215054153053 is a wasteful number, since it uses less digits than its factorization.

1215054153053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56357.

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 1215054153053 its reverse (3503514505121), we get a palindrome (4718568658174).

The spelling of 1215054153053 in words is "one trillion, two hundred fifteen billion, fifty-four million, one hundred fifty-three thousand, fifty-three".