100155967243 has 16 divisors (see below), whose sum is σ = 110881612800. Its totient is φ = 90091254240.

The previous prime is 100155967237. The next prime is 100155967291. The reversal of 100155967243 is 342769551001.

It is not a de Polignac number, because 100155967243 - 2¹⁷ = 100155836171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100155967243.

It is not an unprimeable number, because it can be changed into a prime (100155967343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572973 + ... + 1635406.

It is an arithmetic number, because the mean of its divisors is an integer number (6930100800).

Almost surely, 2^100155967243 is an apocalyptic number.

100155967243 is a deficient number, since it is larger than the sum of its proper divisors (10725645557).

100155967243 is a wasteful number, since it uses less digits than its factorization.

100155967243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208482.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 100155967243 in words is "one hundred billion, one hundred fifty-five million, nine hundred sixty-seven thousand, two hundred forty-three".