105150001505 has 4 divisors (see below), whose sum is σ = 126180001812. Its totient is φ = 84120001200.

The previous prime is 105150001493. The next prime is 105150001511. The reversal of 105150001505 is 505100051501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505100051501 = 797 ⋅633751633.

It can be written as a sum of positive squares in 2 ways, for example, as 51337136929 + 53812864576 = 226577^2 + 231976^2 .

It is not a de Polignac number, because 105150001505 - 2⁶ = 105150001441 is a prime.

It is a super-2 number, since 2×105150001505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10515000146 + ... + 10515000155.

It is an arithmetic number, because the mean of its divisors is an integer number (31545000453).

Almost surely, 2^105150001505 is an apocalyptic number.

It is an amenable number.

105150001505 is a deficient number, since it is larger than the sum of its proper divisors (21030000307).

105150001505 is an equidigital number, since it uses as much as digits as its factorization.

105150001505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030000306.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 105150001505 in words is "one hundred five billion, one hundred fifty million, one thousand, five hundred five".