20145351411 has 12 divisors (see below), whose sum is σ = 29167964800. Its totient is φ = 13398330960.

The previous prime is 20145351383. The next prime is 20145351431. The reversal of 20145351411 is 11415354102.

20145351411 is a `hidden beast` number, since 2 + 0 + 145 + 3 + 514 + 1 + 1 = 666.

It is not a de Polignac number, because 20145351411 - 2²² = 20141157107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20145351431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2654611 + ... + 2662188.

Almost surely, 2^20145351411 is an apocalyptic number.

20145351411 is a deficient number, since it is larger than the sum of its proper divisors (9022613389).

20145351411 is a wasteful number, since it uses less digits than its factorization.

20145351411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317226 (or 5317223 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 20145351411 in words is "twenty billion, one hundred forty-five million, three hundred fifty-one thousand, four hundred eleven".