105420155264 has 32 divisors (see below), whose sum is σ = 211875299640. Its totient is φ = 52243609600.

The previous prime is 105420155261. The next prime is 105420155311. The reversal of 105420155264 is 462551024501.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×105420155264² (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 (105420155261) 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, 3629762 + ... + 3658689.

Almost surely, 2^105420155264 is an apocalyptic number.

It is an amenable number.

105420155264 is an abundant number, since it is smaller than the sum of its proper divisors (106455144376).

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

105420155264 is an equidigital number, since it uses as much as digits as its factorization.

105420155264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288578 (or 7288566 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 105420155264 its reverse (462551024501), we get a palindrome (567971179765).

The spelling of 105420155264 in words is "one hundred five billion, four hundred twenty million, one hundred fifty-five thousand, two hundred sixty-four".