1915795770980 has 96 divisors (see below), whose sum is σ = 5111324252160. Its totient is φ = 586759127040.

The previous prime is 1915795770979. The next prime is 1915795770983. The reversal of 1915795770980 is 890775975191.

It is a super-2 number, since 2×1915795770980² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1915795770980.

It is not an unprimeable number, because it can be changed into a prime (1915795770983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16921565 + ... + 17034404.

It is an arithmetic number, because the mean of its divisors is an integer number (53242960960).

Almost surely, 2^{1915795770980} is an apocalyptic number.

1915795770980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1915795770980 is an abundant number, since it is smaller than the sum of its proper divisors (3195528481180).

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

1915795770980 is a wasteful number, since it uses less digits than its factorization.

1915795770980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33956029 (or 33956027 counting only the distinct ones).

The product of its (nonzero) digits is 50009400, while the sum is 68.

The spelling of 1915795770980 in words is "one trillion, nine hundred fifteen billion, seven hundred ninety-five million, seven hundred seventy thousand, nine hundred eighty".