1513294451712 has 616 divisors, whose sum is σ = 4824989005824. Its totient is φ = 473111248896.

The previous prime is 1513294451701. The next prime is 1513294451719. The reversal of 1513294451712 is 2171544923151.

1513294451712 is a `hidden beast` number, since 1 + 5 + 1 + 32 + 9 + 445 + 171 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513294451719) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 909977793 + ... + 909979455.

Almost surely, 2^{1513294451712} is an apocalyptic number.

1513294451712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513294451712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2412494502912).

1513294451712 is an abundant number, since it is smaller than the sum of its proper divisors (3311694554112).

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

1513294451712 is an equidigital number, since it uses as much as digits as its factorization.

1513294451712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1744 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 1513294451712 in words is "one trillion, five hundred thirteen billion, two hundred ninety-four million, four hundred fifty-one thousand, seven hundred twelve".