1351642553250 has 512 divisors, whose sum is σ = 3997945036800. Its totient is φ = 300627936000.

The previous prime is 1351642553249. The next prime is 1351642553251. The reversal of 1351642553250 is 523552461531.

It is an interprime number because it is at equal distance from previous prime (1351642553249) and next prime (1351642553251).

It is not an unprimeable number, because it can be changed into a prime (1351642553251) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 856010961 + ... + 856012539.

It is an arithmetic number, because the mean of its divisors is an integer number (7808486400).

Almost surely, 2^{1351642553250} is an apocalyptic number.

1351642553250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351642553250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1998972518400).

1351642553250 is an abundant number, since it is smaller than the sum of its proper divisors (2646302483550).

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

1351642553250 is a wasteful number, since it uses less digits than its factorization.

1351642553250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 1351642553250 in words is "one trillion, three hundred fifty-one billion, six hundred forty-two million, five hundred fifty-three thousand, two hundred fifty".