551251020541 has 16 divisors (see below), whose sum is σ = 595332250240. Its totient is φ = 507411449280.

The previous prime is 551251020493. The next prime is 551251020581. The reversal of 551251020541 is 145020152155.

It is a cyclic number.

It is not a de Polignac number, because 551251020541 - 2⁷ = 551251020413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551251020581) 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 15 ways as a sum of consecutive naturals, for example, 6542680 + ... + 6626398.

It is an arithmetic number, because the mean of its divisors is an integer number (37208265640).

Almost surely, 2^551251020541 is an apocalyptic number.

It is an amenable number.

551251020541 is a deficient number, since it is larger than the sum of its proper divisors (44081229699).

551251020541 is a wasteful number, since it uses less digits than its factorization.

551251020541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85156.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 551251020541 its reverse (145020152155), we get a palindrome (696271172696).

The spelling of 551251020541 in words is "five hundred fifty-one billion, two hundred fifty-one million, twenty thousand, five hundred forty-one".