1315414450021 has 8 divisors (see below), whose sum is σ = 1503602645184. Its totient is φ = 1127294216160.

The previous prime is 1315414449997. The next prime is 1315414450057. The reversal of 1315414450021 is 1200544145131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1315414450021 - 2⁵ = 1315414449989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315414450321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16948840 + ... + 17026273.

It is an arithmetic number, because the mean of its divisors is an integer number (187950330648).

Almost surely, 2^{1315414450021} is an apocalyptic number.

It is an amenable number.

1315414450021 is a deficient number, since it is larger than the sum of its proper divisors (188188195163).

1315414450021 is an equidigital number, since it uses as much as digits as its factorization.

1315414450021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33980651.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1315414450021 its reverse (1200544145131), we get a palindrome (2515958595152).

The spelling of 1315414450021 in words is "one trillion, three hundred fifteen billion, four hundred fourteen million, four hundred fifty thousand, twenty-one".