106557814811 has 4 divisors (see below), whose sum is σ = 121780359792. Its totient is φ = 91335269832.

The previous prime is 106557814807. The next prime is 106557814859. The reversal of 106557814811 is 118418755601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106557814811 - 2² = 106557814807 is a prime.

It is a super-2 number, since 2×106557814811² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106557814411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611272480 + ... + 7611272493.

It is an arithmetic number, because the mean of its divisors is an integer number (30445089948).

Almost surely, 2^106557814811 is an apocalyptic number.

106557814811 is a deficient number, since it is larger than the sum of its proper divisors (15222544981).

106557814811 is an equidigital number, since it uses as much as digits as its factorization.

106557814811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15222544980.

The product of its (nonzero) digits is 268800, while the sum is 47.

The spelling of 106557814811 in words is "one hundred six billion, five hundred fifty-seven million, eight hundred fourteen thousand, eight hundred eleven".