1550655515116 has 24 divisors (see below), whose sum is σ = 2856774823280. Its totient is φ = 734442826752.

The previous prime is 1550655515111. The next prime is 1550655515177. The reversal of 1550655515116 is 6115155560551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1550655515111) 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 7 ways as a sum of consecutive naturals, for example, 364581 + ... + 1798396.

Almost surely, 2^{1550655515116} is an apocalyptic number.

It is an amenable number.

1550655515116 is a deficient number, since it is larger than the sum of its proper divisors (1306119308164).

1550655515116 is a wasteful number, since it uses less digits than its factorization.

1550655515116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172433 (or 2172431 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 46.

The spelling of 1550655515116 in words is "one trillion, five hundred fifty billion, six hundred fifty-five million, five hundred fifteen thousand, one hundred sixteen".