105240545551320 has 32 divisors (see below), whose sum is σ = 315721636654320. Its totient is φ = 28064145480320.

The previous prime is 105240545551319. The next prime is 105240545551363. The reversal of 105240545551320 is 23155545042501.

It is a happy number.

It is a super-2 number, since 2×105240545551320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438502273011 + ... + 438502273250.

Almost surely, 2^{105240545551320} is an apocalyptic number.

105240545551320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105240545551320 is an abundant number, since it is smaller than the sum of its proper divisors (210481091103000).

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

105240545551320 is a wasteful number, since it uses less digits than its factorization.

105240545551320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877004546275 (or 877004546271 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 105240545551320 in words is "one hundred five trillion, two hundred forty billion, five hundred forty-five million, five hundred fifty-one thousand, three hundred twenty".