105420518802 has 24 divisors (see below), whose sum is σ = 240432762960. Its totient is φ = 33290690040.

The previous prime is 105420518771. The next prime is 105420518809. The reversal of 105420518802 is 208815024501.

105420518802 is a `hidden beast` number, since 10 + 54 + 2 + 0 + 518 + 80 + 2 = 666.

It is a super-2 number, since 2×105420518802² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105420518809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154123224 + ... + 154123907.

It is an arithmetic number, because the mean of its divisors is an integer number (10018031790).

Almost surely, 2^105420518802 is an apocalyptic number.

105420518802 is an abundant number, since it is smaller than the sum of its proper divisors (135012244158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105420518802 is a wasteful number, since it uses less digits than its factorization.

105420518802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308247158 (or 308247155 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 105420518802 in words is "one hundred five billion, four hundred twenty million, five hundred eighteen thousand, eight hundred two".