105155000001 has 6 divisors (see below), whose sum is σ = 151890555570. Its totient is φ = 70103333328.

The previous prime is 105154999991. The next prime is 105155000003. The reversal of 105155000001 is 100000551501.

It can be written as a sum of positive squares in only one way, i.e., 89057480625 + 16097519376 = 298425^2 + 126876^2 .

It is not a de Polignac number, because 105155000001 - 2⁹ = 105154999489 is a prime.

It is a super-2 number, since 2×105155000001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105155000003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5841944436 + ... + 5841944453.

It is an arithmetic number, because the mean of its divisors is an integer number (25315092595).

Almost surely, 2^105155000001 is an apocalyptic number.

It is an amenable number.

105155000001 is a deficient number, since it is larger than the sum of its proper divisors (46735555569).

105155000001 is a wasteful number, since it uses less digits than its factorization.

105155000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683888895 (or 11683888892 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 105155000001 its reverse (100000551501), we get a palindrome (205155551502).

The spelling of 105155000001 in words is "one hundred five billion, one hundred fifty-five million, one", and thus it is an aban number.