1550005150125 has 16 divisors (see below), whose sum is σ = 2579208570432. Its totient is φ = 826669413200.

The previous prime is 1550005150121. The next prime is 1550005150139. The reversal of 1550005150125 is 5210515000551.

It is not a de Polignac number, because 1550005150125 - 2² = 1550005150121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1550005150092 and 1550005150101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550005150121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2066673159 + ... + 2066673908.

It is an arithmetic number, because the mean of its divisors is an integer number (161200535652).

Almost surely, 2^{1550005150125} is an apocalyptic number.

1550005150125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550005150125 is a deficient number, since it is larger than the sum of its proper divisors (1029203420307).

1550005150125 is an equidigital number, since it uses as much as digits as its factorization.

1550005150125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133347085 (or 4133347075 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 30.

The spelling of 1550005150125 in words is "one trillion, five hundred fifty billion, five million, one hundred fifty thousand, one hundred twenty-five".