42011471089 has 45 divisors (see below), whose sum is σ = 50644396427. Its totient is φ = 34847669472.

The previous prime is 42011471069. The next prime is 42011471171. The reversal of 42011471089 is 98017411024.

The square root of 42011471089 is 204967.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8067093489 + 33944377600 = 89817^2 + 184240^2 .

It is not a de Polignac number, because 42011471089 - 2¹⁵ = 42011438321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42011471039) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 472038957 + ... + 472039045.

Almost surely, 2^42011471089 is an apocalyptic number.

42011471089 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42011471089 is the 204967-th square number.

42011471089 is the 102484-th centered octagonal number.

It is an amenable number.

42011471089 is a deficient number, since it is larger than the sum of its proper divisors (8632925338).

42011471089 is an frugal number, since it uses more digits than its factorization.

42011471089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 42011471089 in words is "forty-two billion, eleven million, four hundred seventy-one thousand, eighty-nine".