4401261325501 has 2 divisors, whose sum is σ = 4401261325502. Its totient is φ = 4401261325500.

The previous prime is 4401261325399. The next prime is 4401261325511. The reversal of 4401261325501 is 1055231621044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3018214764601 + 1383046560900 = 1737301^2 + 1176030^2 .

It is a cyclic number.

It is not a de Polignac number, because 4401261325501 - 2¹³ = 4401261317309 is a prime.

It is a super-2 number, since 2×4401261325501² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401261325511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200630662750 + 2200630662751.

It is an arithmetic number, because the mean of its divisors is an integer number (2200630662751).

Almost surely, 2^{4401261325501} is an apocalyptic number.

It is an amenable number.

4401261325501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401261325501 is an equidigital number, since it uses as much as digits as its factorization.

4401261325501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 4401261325501 its reverse (1055231621044), we get a palindrome (5456492946545).

The spelling of 4401261325501 in words is "four trillion, four hundred one billion, two hundred sixty-one million, three hundred twenty-five thousand, five hundred one".