1520130665364 has 12 divisors (see below), whose sum is σ = 3546971552544. Its totient is φ = 506710221784.

The previous prime is 1520130665357. The next prime is 1520130665369. The reversal of 1520130665364 is 4635660310251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520130665369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63338777712 + ... + 63338777735.

It is an arithmetic number, because the mean of its divisors is an integer number (295580962712).

Almost surely, 2^{1520130665364} is an apocalyptic number.

It is an amenable number.

1520130665364 is an abundant number, since it is smaller than the sum of its proper divisors (2026840887180).

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

1520130665364 is a wasteful number, since it uses less digits than its factorization.

1520130665364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126677555454 (or 126677555452 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1520130665364 in words is "one trillion, five hundred twenty billion, one hundred thirty million, six hundred sixty-five thousand, three hundred sixty-four".