105155503425 has 96 divisors (see below), whose sum is σ = 220869672960. Its totient is φ = 48049588800.

The previous prime is 105155503423. The next prime is 105155503429. The reversal of 105155503425 is 524305551501.

105155503425 is a `hidden beast` number, since 1 + 0 + 51 + 5 + 550 + 34 + 25 = 666.

It is not a de Polignac number, because 105155503425 - 2¹ = 105155503423 is a prime.

It is a super-2 number, since 2×105155503425² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105155503425.

It is not an unprimeable number, because it can be changed into a prime (105155503423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16019194 + ... + 16025756.

It is an arithmetic number, because the mean of its divisors is an integer number (2300725760).

Almost surely, 2^105155503425 is an apocalyptic number.

105155503425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105155503425 is an abundant number, since it is smaller than the sum of its proper divisors (115714169535).

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

105155503425 is a wasteful number, since it uses less digits than its factorization.

105155503425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980 (or 9969 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 105155503425 in words is "one hundred five billion, one hundred fifty-five million, five hundred three thousand, four hundred twenty-five".