1556005005150 has 48 divisors (see below), whose sum is σ = 3897099306288. Its totient is φ = 410826400000.

The previous prime is 1556005005143. The next prime is 1556005005199. The reversal of 1556005005150 is 515005006551.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51338151 + ... + 51368450.

It is an arithmetic number, because the mean of its divisors is an integer number (81189568881).

Almost surely, 2^{1556005005150} is an apocalyptic number.

1556005005150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1556005005150 is an abundant number, since it is smaller than the sum of its proper divisors (2341094301138).

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

1556005005150 is a wasteful number, since it uses less digits than its factorization.

1556005005150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102706717 (or 102706712 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 1556005005150 in words is "one trillion, five hundred fifty-six billion, five million, five thousand, one hundred fifty".