100556215016 has 16 divisors (see below), whose sum is σ = 188549083140. Its totient is φ = 50276459520.

The previous prime is 100556215009. The next prime is 100556215021. The reversal of 100556215016 is 610512655001.

It can be written as a sum of positive squares in 2 ways, for example, as 91040992900 + 9515222116 = 301730^2 + 97546^2 .

It is a super-2 number, since 2×100556215016² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76040 + ... + 454856.

Almost surely, 2^100556215016 is an apocalyptic number.

It is an amenable number.

100556215016 is a deficient number, since it is larger than the sum of its proper divisors (87992868124).

100556215016 is a wasteful number, since it uses less digits than its factorization.

100556215016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412004 (or 412000 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 100556215016 in words is "one hundred billion, five hundred fifty-six million, two hundred fifteen thousand, sixteen".