1001101156056 has 24 divisors (see below), whose sum is σ = 2711315631180. Its totient is φ = 333700385328.

The previous prime is 1001101156031. The next prime is 1001101156079. The reversal of 1001101156056 is 6506511011001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6952091290 + ... + 6952091433.

Almost surely, 2^{1001101156056} is an apocalyptic number.

It is an amenable number.

1001101156056 is an abundant number, since it is smaller than the sum of its proper divisors (1710214475124).

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

1001101156056 is a wasteful number, since it uses less digits than its factorization.

1001101156056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904182735 (or 13904182728 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 1001101156056 its reverse (6506511011001), we get a palindrome (7507612167057).

The spelling of 1001101156056 in words is "one trillion, one billion, one hundred one million, one hundred fifty-six thousand, fifty-six".