1515054032442 has 192 divisors, whose sum is σ = 3732876576000. Its totient is φ = 441509612544.

The previous prime is 1515054032399. The next prime is 1515054032449. The reversal of 1515054032442 is 2442304505151.

1515054032442 is a `hidden beast` number, since 1 + 5 + 1 + 5 + 0 + 5 + 403 + 244 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1515054032397 and 1515054032406.

It is not an unprimeable number, because it can be changed into a prime (1515054032449) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 510289534 + ... + 510292502.

It is an arithmetic number, because the mean of its divisors is an integer number (19442065500).

Almost surely, 2^{1515054032442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1515054032442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866438288000).

1515054032442 is an abundant number, since it is smaller than the sum of its proper divisors (2217822543558).

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

1515054032442 is a wasteful number, since it uses less digits than its factorization.

1515054032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1515054032442 its reverse (2442304505151), we get a palindrome (3957358537593).

The spelling of 1515054032442 in words is "one trillion, five hundred fifteen billion, fifty-four million, thirty-two thousand, four hundred forty-two".