545345152400551 has 4 divisors (see below), whose sum is σ = 547467117974352. Its totient is φ = 543223186826752.

The previous prime is 545345152400473. The next prime is 545345152400639. The reversal of 545345152400551 is 155004251543545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545345152400551 - 2¹¹ = 545345152398503 is a prime.

It is a super-2 number, since 2×545345152400551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545345152400495 and 545345152400504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545345152403551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060982786515 + ... + 1060982787028.

It is an arithmetic number, because the mean of its divisors is an integer number (136866779493588).

Almost surely, 2^{545345152400551} is an apocalyptic number.

545345152400551 is a deficient number, since it is larger than the sum of its proper divisors (2121965573801).

545345152400551 is a wasteful number, since it uses less digits than its factorization.

545345152400551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121965573800.

The product of its (nonzero) digits is 6000000, while the sum is 49.

The spelling of 545345152400551 in words is "five hundred forty-five trillion, three hundred forty-five billion, one hundred fifty-two million, four hundred thousand, five hundred fifty-one".