4001141351521 has 2 divisors, whose sum is σ = 4001141351522. Its totient is φ = 4001141351520.

The previous prime is 4001141351483. The next prime is 4001141351527. The reversal of 4001141351521 is 1251531411004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347759417600 + 1653381933921 = 1532240^2 + 1285839^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001141351521 - 2²¹ = 4001139254369 is a prime.

It is a super-2 number, since 2×4001141351521² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4001141351521.

It is not a weakly prime, because it can be changed into another prime (4001141351527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000570675760 + 2000570675761.

It is an arithmetic number, because the mean of its divisors is an integer number (2000570675761).

Almost surely, 2^{4001141351521} is an apocalyptic number.

It is an amenable number.

4001141351521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001141351521 is an equidigital number, since it uses as much as digits as its factorization.

4001141351521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 4001141351521 its reverse (1251531411004), we get a palindrome (5252672762525).

The spelling of 4001141351521 in words is "four trillion, one billion, one hundred forty-one million, three hundred fifty-one thousand, five hundred twenty-one".