1520113424451 has 16 divisors (see below), whose sum is σ = 2066737559040. Its totient is φ = 993480190560.

The previous prime is 1520113424443. The next prime is 1520113424491. The reversal of 1520113424451 is 1544243110251.

It is not a de Polignac number, because 1520113424451 - 2³ = 1520113424443 is a prime.

It is a super-2 number, since 2×1520113424451² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1520113424491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3687481 + ... + 4078938.

It is an arithmetic number, because the mean of its divisors is an integer number (129171097440).

Almost surely, 2^{1520113424451} is an apocalyptic number.

1520113424451 is a deficient number, since it is larger than the sum of its proper divisors (546624134589).

1520113424451 is a wasteful number, since it uses less digits than its factorization.

1520113424451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767706.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 1520113424451 in words is "one trillion, five hundred twenty billion, one hundred thirteen million, four hundred twenty-four thousand, four hundred fifty-one".