1315750611421 has 8 divisors (see below), whose sum is σ = 1331382477824. Its totient is φ = 1300160937600.

The previous prime is 1315750611367. The next prime is 1315750611437. The reversal of 1315750611421 is 1241160575131.

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

It is a cyclic number.

It is not a de Polignac number, because 1315750611421 - 2¹⁷ = 1315750480349 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 (1315750611491) 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, 10485405 + ... + 10610146.

It is an arithmetic number, because the mean of its divisors is an integer number (166422809728).

Almost surely, 2^{1315750611421} is an apocalyptic number.

It is an amenable number.

1315750611421 is a deficient number, since it is larger than the sum of its proper divisors (15631866403).

1315750611421 is an equidigital number, since it uses as much as digits as its factorization.

1315750611421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21096291.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 1315750611421 in words is "one trillion, three hundred fifteen billion, seven hundred fifty million, six hundred eleven thousand, four hundred twenty-one".