43052550511 has 4 divisors (see below), whose sum is σ = 43968562272. Its totient is φ = 42136538752.

The previous prime is 43052550467. The next prime is 43052550557. The reversal of 43052550511 is 11505525034.

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 43052550511 - 2⁷ = 43052550383 is a prime.

It is a super-2 number, since 2×43052550511² (a number of 22 digits) 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 (43052530511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458005810 + ... + 458005903.

It is an arithmetic number, because the mean of its divisors is an integer number (10992140568).

Almost surely, 2^43052550511 is an apocalyptic number.

43052550511 is a deficient number, since it is larger than the sum of its proper divisors (916011761).

43052550511 is an equidigital number, since it uses as much as digits as its factorization.

43052550511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916011760.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 43052550511 in words is "forty-three billion, fifty-two million, five hundred fifty thousand, five hundred eleven".