1532515021242 has 128 divisors (see below), whose sum is σ = 3355347400704. Its totient is φ = 464840183808.

The previous prime is 1532515021241. The next prime is 1532515021253. The reversal of 1532515021242 is 2421205152351.

It is a super-2 number, since 2×1532515021242² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1532515021241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79531293 + ... + 79550559.

It is an arithmetic number, because the mean of its divisors is an integer number (26213651568).

Almost surely, 2^{1532515021242} is an apocalyptic number.

1532515021242 is an abundant number, since it is smaller than the sum of its proper divisors (1822832379462).

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

1532515021242 is a wasteful number, since it uses less digits than its factorization.

1532515021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19572.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 1532515021242 in words is "one trillion, five hundred thirty-two billion, five hundred fifteen million, twenty-one thousand, two hundred forty-two".