1538283161380 has 24 divisors (see below), whose sum is σ = 3691879587648. Its totient is φ = 527411369568.

The previous prime is 1538283161297. The next prime is 1538283161383. The reversal of 1538283161380 is 831613828351.

It is not an unprimeable number, because it can be changed into a prime (1538283161383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5493868294 + ... + 5493868573.

It is an arithmetic number, because the mean of its divisors is an integer number (153828316152).

Almost surely, 2^{1538283161380} is an apocalyptic number.

1538283161380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1538283161380 is an abundant number, since it is smaller than the sum of its proper divisors (2153596426268).

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

1538283161380 is a wasteful number, since it uses less digits than its factorization.

1538283161380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987736883 (or 10987736881 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 1538283161380 in words is "one trillion, five hundred thirty-eight billion, two hundred eighty-three million, one hundred sixty-one thousand, three hundred eighty".