1505125050 has 144 divisors (see below), whose sum is σ = 4419196320. Its totient is φ = 336758400.

The previous prime is 1505125021. The next prime is 1505125093. The reversal of 1505125050 is 505215051.

It is a super-2 number, since 2×1505125050² = 4530802832275005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1505125050.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 232761 + ... + 239139.

Almost surely, 2^1505125050 is an apocalyptic number.

1505125050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1505125050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209598160).

1505125050 is an abundant number, since it is smaller than the sum of its proper divisors (2914071270).

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

1505125050 is a wasteful number, since it uses less digits than its factorization.

1505125050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 1505125050 is about 38795.9411536826. The cubic root of 1505125050 is about 1146.0164756151.

Subtracting from 1505125050 its reverse (505215051), we obtain a palindrome (999909999).

The spelling of 1505125050 in words is "one billion, five hundred five million, one hundred twenty-five thousand, fifty".