1551552413245 has 8 divisors (see below), whose sum is σ = 1861886638080. Its totient is φ = 1241226102480.

The previous prime is 1551552413239. The next prime is 1551552413273. The reversal of 1551552413245 is 5423142551551.

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

It is not a de Polignac number, because 1551552413245 - 2⁹ = 1551552412733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538301 + ... + 2338690.

It is an arithmetic number, because the mean of its divisors is an integer number (232735829760).

Almost surely, 2^{1551552413245} is an apocalyptic number.

It is an amenable number.

1551552413245 is a deficient number, since it is larger than the sum of its proper divisors (310334224835).

1551552413245 is an equidigital number, since it uses as much as digits as its factorization.

1551552413245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957035.

The product of its digits is 600000, while the sum is 43.

Adding to 1551552413245 its reverse (5423142551551), we get a palindrome (6974694964796).

The spelling of 1551552413245 in words is "one trillion, five hundred fifty-one billion, five hundred fifty-two million, four hundred thirteen thousand, two hundred forty-five".