1551551234241 has 8 divisors (see below), whose sum is σ = 2070329999584. Its totient is φ = 1033569979200.

The previous prime is 1551551234227. The next prime is 1551551234257. The reversal of 1551551234241 is 1424321551551.

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

It is not a de Polignac number, because 1551551234241 - 2⁵ = 1551551234209 is a prime.

It is a super-2 number, since 2×1551551234241² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1551551234241.

It is not an unprimeable number, because it can be changed into a prime (1551551234041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199373035 + ... + 199380816.

It is an arithmetic number, because the mean of its divisors is an integer number (258791249948).

Almost surely, 2^{1551551234241} is an apocalyptic number.

It is an amenable number.

1551551234241 is a deficient number, since it is larger than the sum of its proper divisors (518778765343).

1551551234241 is a wasteful number, since it uses less digits than its factorization.

1551551234241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398755151.

The product of its digits is 120000, while the sum is 39.

Adding to 1551551234241 its reverse (1424321551551), we get a palindrome (2975872785792).

The spelling of 1551551234241 in words is "one trillion, five hundred fifty-one billion, five hundred fifty-one million, two hundred thirty-four thousand, two hundred forty-one".