1515450049836 has 24 divisors (see below), whose sum is σ = 3536425239984. Its totient is φ = 505096427520.

The previous prime is 1515450049831. The next prime is 1515450049837. The reversal of 1515450049836 is 6389400545151.

It is not an unprimeable number, because it can be changed into a prime (1515450049831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6580725 + ... + 6807116.

It is an arithmetic number, because the mean of its divisors is an integer number (147351051666).

Almost surely, 2^{1515450049836} is an apocalyptic number.

It is an amenable number.

1515450049836 is an abundant number, since it is smaller than the sum of its proper divisors (2020975190148).

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

1515450049836 is a wasteful number, since it uses less digits than its factorization.

1515450049836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397281 (or 13397279 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 1515450049836 in words is "one trillion, five hundred fifteen billion, four hundred fifty million, forty-nine thousand, eight hundred thirty-six".