1001155066650 has 72 divisors (see below), whose sum is σ = 2690008480224. Its totient is φ = 266951008800.

The previous prime is 1001155066649. The next prime is 1001155066733. The reversal of 1001155066650 is 566605511001.

It is a super-2 number, since 2×1001155066650² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5310505 + ... + 5495795.

It is an arithmetic number, because the mean of its divisors is an integer number (37361228892).

Almost surely, 2^{1001155066650} is an apocalyptic number.

1001155066650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001155066650 is an abundant number, since it is smaller than the sum of its proper divisors (1688853413574).

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

1001155066650 is a wasteful number, since it uses less digits than its factorization.

1001155066650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197316 (or 197308 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 1001155066650 in words is "one trillion, one billion, one hundred fifty-five million, sixty-six thousand, six hundred fifty".