1024152421215 has 64 divisors (see below), whose sum is σ = 2049957891072. Its totient is φ = 424169011200.

The previous prime is 1024152421213. The next prime is 1024152421261. The reversal of 1024152421215 is 5121242514201.

It is not a de Polignac number, because 1024152421215 - 2¹ = 1024152421213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024152421213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1174746 + ... + 1851575.

It is an arithmetic number, because the mean of its divisors is an integer number (32030592048).

Almost surely, 2^{1024152421215} is an apocalyptic number.

1024152421215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1024152421215 is an abundant number, since it is smaller than the sum of its proper divisors (1025805469857).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1024152421215 is a wasteful number, since it uses less digits than its factorization.

1024152421215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026640.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1024152421215 its reverse (5121242514201), we get a palindrome (6145394935416).

The spelling of 1024152421215 in words is "one trillion, twenty-four billion, one hundred fifty-two million, four hundred twenty-one thousand, two hundred fifteen".