1315222051401 has 24 divisors (see below), whose sum is σ = 1908845492736. Its totient is φ = 872631385920.

The previous prime is 1315222051393. The next prime is 1315222051453. The reversal of 1315222051401 is 1041502225131.

It is a happy number.

1315222051401 is a `hidden beast` number, since 1 + 3 + 1 + 52 + 2 + 205 + 1 + 401 = 666.

It is not a de Polignac number, because 1315222051401 - 2³ = 1315222051393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1315222051471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1765416 + ... + 2397318.

It is an arithmetic number, because the mean of its divisors is an integer number (79535228864).

Almost surely, 2^{1315222051401} is an apocalyptic number.

It is an amenable number.

1315222051401 is a deficient number, since it is larger than the sum of its proper divisors (593623441335).

1315222051401 is a wasteful number, since it uses less digits than its factorization.

1315222051401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633013 (or 633010 counting only the distinct ones).

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

Adding to 1315222051401 its reverse (1041502225131), we get a palindrome (2356724276532).

The spelling of 1315222051401 in words is "one trillion, three hundred fifteen billion, two hundred twenty-two million, fifty-one thousand, four hundred one".