1915555649296 has 45 divisors (see below), whose sum is σ = 3917221295463. Its totient is φ = 907318640160.

The previous prime is 1915555649261. The next prime is 1915555649303. The reversal of 1915555649296 is 6929465555191.

The square root of 1915555649296 is 1384036.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 105177631 + ... + 105195841.

Almost surely, 2^{1915555649296} is an apocalyptic number.

1915555649296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1915555649296 is the 1384036-th square number.

It is an amenable number.

1915555649296 is an abundant number, since it is smaller than the sum of its proper divisors (2001665646167).

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

1915555649296 is an frugal number, since it uses more digits than its factorization.

1915555649296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36468 (or 18232 counting only the distinct ones).

The product of its digits is 131220000, while the sum is 67.

The spelling of 1915555649296 in words is "one trillion, nine hundred fifteen billion, five hundred fifty-five million, six hundred forty-nine thousand, two hundred ninety-six".