109911477841 has 9 divisors (see below), whose sum is σ = 120815798313. Its totient is φ = 99916210020.

The previous prime is 109911477829. The next prime is 109911477853. The reversal of 109911477841 is 148774119901.

The square root of 109911477841 is 331529.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (109911477829) and next prime (109911477853).

It is not a de Polignac number, because 109911477841 - 2³¹ = 107763994193 is a prime.

It is a super-2 number, since 2×109911477841² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109911477041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3631750 + ... + 3661888.

Almost surely, 2^109911477841 is an apocalyptic number.

109911477841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109911477841 is the 331529-th square number.

109911477841 is the 165765-th centered octagonal number.

It is an amenable number.

109911477841 is a deficient number, since it is larger than the sum of its proper divisors (10904320472).

109911477841 is an frugal number, since it uses more digits than its factorization.

109911477841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60300 (or 30150 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 109911477841 in words is "one hundred nine billion, nine hundred eleven million, four hundred seventy-seven thousand, eight hundred forty-one".