10142400551121 has 6 divisors (see below), whose sum is σ = 14650134129410. Its totient is φ = 6761600367408.

The previous prime is 10142400551119. The next prime is 10142400551177. The reversal of 10142400551121 is 12115500424101.

10142400551121 is a `hidden beast` number, since 1 + 0 + 142 + 4 + 0 + 0 + 5 + 511 + 2 + 1 = 666.

10142400551121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9953141619600 + 189258931521 = 3154860^2 + 435039^2 .

It is not a de Polignac number, because 10142400551121 - 2¹ = 10142400551119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10142400551111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 563466697276 + ... + 563466697293.

Almost surely, 2^{10142400551121} is an apocalyptic number.

It is an amenable number.

10142400551121 is a deficient number, since it is larger than the sum of its proper divisors (4507733578289).

10142400551121 is a wasteful number, since it uses less digits than its factorization.

10142400551121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126933394575 (or 1126933394572 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 10142400551121 its reverse (12115500424101), we get a palindrome (22257900975222).

The spelling of 10142400551121 in words is "ten trillion, one hundred forty-two billion, four hundred million, five hundred fifty-one thousand, one hundred twenty-one".