1506551042401 has 8 divisors (see below), whose sum is σ = 1595183093640. Its totient is φ = 1417920258048.

The previous prime is 1506551042393. The next prime is 1506551042411. The reversal of 1506551042401 is 1042401556051.

It can be written as a sum of positive squares in 4 ways, for example, as 22868698176 + 1483682344225 = 151224^2 + 1218065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1506551042401 - 2³ = 1506551042393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1506551042411) 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, 3333945 + ... + 3758761.

It is an arithmetic number, because the mean of its divisors is an integer number (199397886705).

Almost surely, 2^{1506551042401} is an apocalyptic number.

It is an amenable number.

1506551042401 is a deficient number, since it is larger than the sum of its proper divisors (88632051239).

1506551042401 is a wasteful number, since it uses less digits than its factorization.

1506551042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633443.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 1506551042401 its reverse (1042401556051), we get a palindrome (2548952598452).

The spelling of 1506551042401 in words is "one trillion, five hundred six billion, five hundred fifty-one million, forty-two thousand, four hundred one".