1401574215425 has 6 divisors (see below), whose sum is σ = 1737952027158. Its totient is φ = 1121259372320.

The previous prime is 1401574215367. The next prime is 1401574215467. The reversal of 1401574215425 is 5245124751041.

It can be written as a sum of positive squares in 3 ways, for example, as 871194256 + 1400703021169 = 29516^2 + 1183513^2 .

It is not a de Polignac number, because 1401574215425 - 2⁶ = 1401574215361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 28031484284 + ... + 28031484333.

It is an arithmetic number, because the mean of its divisors is an integer number (289658671193).

Almost surely, 2^{1401574215425} is an apocalyptic number.

It is an amenable number.

1401574215425 is a deficient number, since it is larger than the sum of its proper divisors (336377811733).

1401574215425 is an equidigital number, since it uses as much as digits as its factorization.

1401574215425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56062968627 (or 56062968622 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 41.

Adding to 1401574215425 its reverse (5245124751041), we get a palindrome (6646698966466).

The spelling of 1401574215425 in words is "one trillion, four hundred one billion, five hundred seventy-four million, two hundred fifteen thousand, four hundred twenty-five".