1311616042350 has 96 divisors (see below), whose sum is σ = 3394714510080. Its totient is φ = 334509795840.

The previous prime is 1311616042307. The next prime is 1311616042369. The reversal of 1311616042350 is 532406161131.

It is a happy number.

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, 28850337 + ... + 28895763.

It is an arithmetic number, because the mean of its divisors is an integer number (35361609480).

Almost surely, 2^{1311616042350} is an apocalyptic number.

1311616042350 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 1311616042350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697357255040).

1311616042350 is an abundant number, since it is smaller than the sum of its proper divisors (2083098467730).

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

1311616042350 is a wasteful number, since it uses less digits than its factorization.

1311616042350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53834 (or 53829 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 1311616042350 in words is "one trillion, three hundred eleven billion, six hundred sixteen million, forty-two thousand, three hundred fifty".