1215254053350 has 288 divisors, whose sum is σ = 3675063843360. Its totient is φ = 286087680000.

The previous prime is 1215254053309. The next prime is 1215254053361. The reversal of 1215254053350 is 533504525121.

1215254053350 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 254 + 0 + 53 + 350 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14638960 + ... + 14721740.

It is an arithmetic number, because the mean of its divisors is an integer number (12760638345).

Almost surely, 2^{1215254053350} is an apocalyptic number.

1215254053350 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 1215254053350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837531921680).

1215254053350 is an abundant number, since it is smaller than the sum of its proper divisors (2459809790010).

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

1215254053350 is a wasteful number, since it uses less digits than its factorization.

1215254053350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82936 (or 82928 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 1215254053350 its reverse (533504525121), we get a palindrome (1748758578471).

The spelling of 1215254053350 in words is "one trillion, two hundred fifteen billion, two hundred fifty-four million, fifty-three thousand, three hundred fifty".