105051252506 has 8 divisors (see below), whose sum is σ = 158580553620. Its totient is φ = 52191067968.

The previous prime is 105051252473. The next prime is 105051252547. The reversal of 105051252506 is 605252150501.

It can be written as a sum of positive squares in 2 ways, for example, as 104917040281 + 134212225 = 323909^2 + 11585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105051252506² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167278751 + ... + 167279378.

Almost surely, 2^105051252506 is an apocalyptic number.

105051252506 is a deficient number, since it is larger than the sum of its proper divisors (53529301114).

105051252506 is a wasteful number, since it uses less digits than its factorization.

105051252506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334558288.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 105051252506 in words is "one hundred five billion, fifty-one million, two hundred fifty-two thousand, five hundred six".