73752105511 has 4 divisors (see below), whose sum is σ = 84288120592. Its totient is φ = 63216090432.

The previous prime is 73752105467. The next prime is 73752105517. The reversal of 73752105511 is 11550125737.

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 73752105511 - 2²¹ = 73750008359 is a prime.

It is a super-2 number, since 2×73752105511² (a number of 23 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 (73752105517) 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, 5268007530 + ... + 5268007543.

It is an arithmetic number, because the mean of its divisors is an integer number (21072030148).

Almost surely, 2^73752105511 is an apocalyptic number.

73752105511 is a deficient number, since it is larger than the sum of its proper divisors (10536015081).

73752105511 is a wasteful number, since it uses less digits than its factorization.

73752105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536015080.

The product of its (nonzero) digits is 36750, while the sum is 37.

The spelling of 73752105511 in words is "seventy-three billion, seven hundred fifty-two million, one hundred five thousand, five hundred eleven".