1551200240132 has 6 divisors (see below), whose sum is σ = 2714600420238. Its totient is φ = 775600120064.

The previous prime is 1551200240129. The next prime is 1551200240143. The reversal of 1551200240132 is 2310420021551.

It can be written as a sum of positive squares in only one way, i.e., 1423311036676 + 127889203456 = 1193026^2 + 357616^2 .

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 as a sum of consecutive naturals, namely, 193900030013 + ... + 193900030020.

It is an arithmetic number, because the mean of its divisors is an integer number (452433403373).

Almost surely, 2^{1551200240132} is an apocalyptic number.

It is an amenable number.

1551200240132 is a deficient number, since it is larger than the sum of its proper divisors (1163400180106).

1551200240132 is a wasteful number, since it uses less digits than its factorization.

1551200240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387800060037 (or 387800060035 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1551200240132 its reverse (2310420021551), we get a palindrome (3861620261683).

The spelling of 1551200240132 in words is "one trillion, five hundred fifty-one billion, two hundred million, two hundred forty thousand, one hundred thirty-two".