109824211557 has 8 divisors (see below), whose sum is σ = 162702535680. Its totient is φ = 73216141020.

The previous prime is 109824211507. The next prime is 109824211561. The reversal of 109824211557 is 755112428901.

109824211557 is a `hidden beast` number, since 1 + 0 + 9 + 82 + 4 + 2 + 11 + 557 = 666.

It is not a de Polignac number, because 109824211557 - 2¹² = 109824207461 is a prime.

It is a super-2 number, since 2×109824211557² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109824211507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2033781669 + ... + 2033781722.

It is an arithmetic number, because the mean of its divisors is an integer number (20337816960).

Almost surely, 2^109824211557 is an apocalyptic number.

It is an amenable number.

109824211557 is a deficient number, since it is larger than the sum of its proper divisors (52878324123).

109824211557 is an equidigital number, since it uses as much as digits as its factorization.

109824211557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067563400 (or 4067563394 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 109824211557 in words is "one hundred nine billion, eight hundred twenty-four million, two hundred eleven thousand, five hundred fifty-seven".