1421513015052 has 144 divisors (see below), whose sum is σ = 3651823556640. Its totient is φ = 427675822080.

The previous prime is 1421513015029. The next prime is 1421513015071. The reversal of 1421513015052 is 2505103151241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1757123224 + ... + 1757124032.

It is an arithmetic number, because the mean of its divisors is an integer number (25359885810).

Almost surely, 2^{1421513015052} is an apocalyptic number.

1421513015052 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 1421513015052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1825911778320).

1421513015052 is an abundant number, since it is smaller than the sum of its proper divisors (2230310541588).

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

1421513015052 is a wasteful number, since it uses less digits than its factorization.

1421513015052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1421513015052 its reverse (2505103151241), we get a palindrome (3926616166293).

The spelling of 1421513015052 in words is "one trillion, four hundred twenty-one billion, five hundred thirteen million, fifteen thousand, fifty-two".