1555138130514 has 16 divisors (see below), whose sum is σ = 3110299648128. Its totient is φ = 518375478992.

The previous prime is 1555138130473. The next prime is 1555138130519. The reversal of 1555138130514 is 4150318315551.

It is not an unprimeable number, because it can be changed into a prime (1555138130519) 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 7 ways as a sum of consecutive naturals, for example, 41277 + ... + 1764080.

It is an arithmetic number, because the mean of its divisors is an integer number (194393728008).

Almost surely, 2^{1555138130514} is an apocalyptic number.

1555138130514 is an abundant number, since it is smaller than the sum of its proper divisors (1555161517614).

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

1555138130514 is a wasteful number, since it uses less digits than its factorization.

1555138130514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948929.

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 1555138130514 in words is "one trillion, five hundred fifty-five billion, one hundred thirty-eight million, one hundred thirty thousand, five hundred fourteen".