1315451019984 has 60 divisors (see below), whose sum is σ = 3552422380416. Its totient is φ = 419419157696.

The previous prime is 1315451019973. The next prime is 1315451019991. The reversal of 1315451019984 is 4899101545131.

It is a super-2 number, since 2×1315451019984² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25877472 + ... + 25928255.

Almost surely, 2^{1315451019984} is an apocalyptic number.

It is an amenable number.

1315451019984 is an abundant number, since it is smaller than the sum of its proper divisors (2236971360432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315451019984 is a wasteful number, since it uses less digits than its factorization.

1315451019984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51805784 (or 51805755 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 1315451019984 in words is "one trillion, three hundred fifteen billion, four hundred fifty-one million, nineteen thousand, nine hundred eighty-four".