544214155551 has 16 divisors (see below), whose sum is σ = 791964347520. Its totient is φ = 329668377120.

The previous prime is 544214155547. The next prime is 544214155559. The reversal of 544214155551 is 155551412445.

It is not a de Polignac number, because 544214155551 - 2² = 544214155547 is a prime.

It is a super-2 number, since 2×544214155551² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544214155559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3889816 + ... + 4027293.

It is an arithmetic number, because the mean of its divisors is an integer number (49497771720).

Almost surely, 2^544214155551 is an apocalyptic number.

544214155551 is a deficient number, since it is larger than the sum of its proper divisors (247750191969).

544214155551 is a wasteful number, since it uses less digits than its factorization.

544214155551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919206.

The product of its digits is 400000, while the sum is 42.

Adding to 544214155551 its reverse (155551412445), we get a palindrome (699765567996).

The spelling of 544214155551 in words is "five hundred forty-four billion, two hundred fourteen million, one hundred fifty-five thousand, five hundred fifty-one".