1351711007550 has 96 divisors (see below), whose sum is σ = 3727166088960. Its totient is φ = 360219045600.

The previous prime is 1351711007501. The next prime is 1351711007617. The reversal of 1351711007550 is 557001171531.

1351711007550 is a `hidden beast` number, since 1 + 35 + 1 + 71 + 1 + 0 + 0 + 7 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1727335 + ... + 2384765.

It is an arithmetic number, because the mean of its divisors is an integer number (38824646760).

Almost surely, 2^{1351711007550} is an apocalyptic number.

1351711007550 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 1351711007550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1863583044480).

1351711007550 is an abundant number, since it is smaller than the sum of its proper divisors (2375455081410).

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

1351711007550 is a wasteful number, since it uses less digits than its factorization.

1351711007550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658975 (or 658964 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 36.

The spelling of 1351711007550 in words is "one trillion, three hundred fifty-one billion, seven hundred eleven million, seven thousand, five hundred fifty".