1541420331345 has 48 divisors (see below), whose sum is σ = 2762057705472. Its totient is φ = 794396154240.

The previous prime is 1541420331331. The next prime is 1541420331377. The reversal of 1541420331345 is 5431330241451.

1541420331345 is a `hidden beast` number, since 1 + 5 + 414 + 203 + 3 + 1 + 34 + 5 = 666.

It is not a de Polignac number, because 1541420331345 - 2⁴ = 1541420331329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128344 + ... + 1760486.

It is an arithmetic number, because the mean of its divisors is an integer number (57542868864).

Almost surely, 2^{1541420331345} is an apocalyptic number.

1541420331345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1541420331345 is a deficient number, since it is larger than the sum of its proper divisors (1220637374127).

1541420331345 is a wasteful number, since it uses less digits than its factorization.

1541420331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632862 (or 1632859 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1541420331345 its reverse (5431330241451), we get a palindrome (6972750572796).

The spelling of 1541420331345 in words is "one trillion, five hundred forty-one billion, four hundred twenty million, three hundred thirty-one thousand, three hundred forty-five".