1001055561110 has 32 divisors (see below), whose sum is σ = 1970979180192. Its totient is φ = 363044263680.

The previous prime is 1001055561101. The next prime is 1001055561161. The reversal of 1001055561110 is 111655501001.

It is a super-2 number, since 2×1001055561110² (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 1001055561110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12158039 + ... + 12240098.

It is an arithmetic number, because the mean of its divisors is an integer number (61593099381).

Almost surely, 2^{1001055561110} is an apocalyptic number.

1001055561110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001055561110 is a deficient number, since it is larger than the sum of its proper divisors (969923619082).

1001055561110 is a wasteful number, since it uses less digits than its factorization.

1001055561110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24398528.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 1001055561110 in words is "one trillion, one billion, fifty-five million, five hundred sixty-one thousand, one hundred ten".