100551661712 has 20 divisors (see below), whose sum is σ = 194955795840. Its totient is φ = 50240488608.

The previous prime is 100551661709. The next prime is 100551661741. The reversal of 100551661712 is 217166155001.

It is a super-2 number, since 2×100551661712² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185412 + ... + 2230947.

It is an arithmetic number, because the mean of its divisors is an integer number (9747789792).

Almost surely, 2^100551661712 is an apocalyptic number.

It is an amenable number.

100551661712 is a deficient number, since it is larger than the sum of its proper divisors (94404134128).

100551661712 is a wasteful number, since it uses less digits than its factorization.

100551661712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417790 (or 4417784 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 100551661712 in words is "one hundred billion, five hundred fifty-one million, six hundred sixty-one thousand, seven hundred twelve".