10531896451920 has 160 divisors (see below), whose sum is σ = 36466463139840. Its totient is φ = 2793801392640.

The previous prime is 10531896451903. The next prime is 10531896451943. The reversal of 10531896451920 is 2915469813501.

10531896451920 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 18 + 96 + 4 + 519 + 20 = 666.

It is a super-2 number, since 2×10531896451920² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 12351519 + ... + 13176638.

It is an arithmetic number, because the mean of its divisors is an integer number (227915394624).

Almost surely, 2^{10531896451920} is an apocalyptic number.

10531896451920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10531896451920 is an abundant number, since it is smaller than the sum of its proper divisors (25934566687920).

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

10531896451920 is a wasteful number, since it uses less digits than its factorization.

10531896451920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528370 (or 25528358 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 10531896451920 in words is "ten trillion, five hundred thirty-one billion, eight hundred ninety-six million, four hundred fifty-one thousand, nine hundred twenty".