5420043511 has 8 divisors (see below), whose sum is σ = 5524874784. Its totient is φ = 5316003840.

The previous prime is 5420043469. The next prime is 5420043521. The reversal of 5420043511 is 1153400245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5420043511 is a prime.

It is a super-2 number, since 2×5420043511² = 58753743322266414242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420043521) 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, 184066 + ... + 211471.

It is an arithmetic number, because the mean of its divisors is an integer number (690609348).

Almost surely, 2^5420043511 is an apocalyptic number.

5420043511 is a deficient number, since it is larger than the sum of its proper divisors (104831273).

5420043511 is a wasteful number, since it uses less digits than its factorization.

5420043511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395801.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5420043511 is about 73620.9447847554. The cubic root of 5420043511 is about 1756.5786139798.

Adding to 5420043511 its reverse (1153400245), we get a palindrome (6573443756).

The spelling of 5420043511 in words is "five billion, four hundred twenty million, forty-three thousand, five hundred eleven".