1520132340311 has 32 divisors (see below), whose sum is σ = 1654736926080. Its totient is φ = 1396409414400.

The previous prime is 1520132340299. The next prime is 1520132340329. The reversal of 1520132340311 is 1130432310251.

It is not a de Polignac number, because 1520132340311 - 2³⁴ = 1502952471127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520132345311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 852569126 + ... + 852570908.

It is an arithmetic number, because the mean of its divisors is an integer number (51710528940).

Almost surely, 2^{1520132340311} is an apocalyptic number.

1520132340311 is a deficient number, since it is larger than the sum of its proper divisors (134604585769).

1520132340311 is a wasteful number, since it uses less digits than its factorization.

1520132340311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1520132340311 its reverse (1130432310251), we get a palindrome (2650564650562).

The spelling of 1520132340311 in words is "one trillion, five hundred twenty billion, one hundred thirty-two million, three hundred forty thousand, three hundred eleven".