1001550661102 has 16 divisors (see below), whose sum is σ = 1550833270272. Its totient is φ = 484607178360.

The previous prime is 1001550661093. The next prime is 1001550661109. The reversal of 1001550661102 is 2011660551001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001550661109) 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, 2096533 + ... + 2529535.

It is an arithmetic number, because the mean of its divisors is an integer number (96927079392).

Almost surely, 2^{1001550661102} is an apocalyptic number.

1001550661102 is a deficient number, since it is larger than the sum of its proper divisors (549282609170).

1001550661102 is a wasteful number, since it uses less digits than its factorization.

1001550661102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470343.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 1001550661102 in words is "one trillion, one billion, five hundred fifty million, six hundred sixty-one thousand, one hundred two".