1001016551100 has 36 divisors (see below), whose sum is σ = 2896274555384. Its totient is φ = 266937746880.

The previous prime is 1001016551083. The next prime is 1001016551149. The reversal of 1001016551100 is 11556101001.

It is a happy number.

1001016551100 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001016551100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668360619 + ... + 1668361218.

Almost surely, 2^{1001016551100} is an apocalyptic number.

1001016551100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001016551100 is an abundant number, since it is smaller than the sum of its proper divisors (1895258004284).

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

1001016551100 is a wasteful number, since it uses less digits than its factorization.

1001016551100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336721854 (or 3336721847 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 1001016551100 in words is "one trillion, one billion, sixteen million, five hundred fifty-one thousand, one hundred".