10553311520420 has 24 divisors (see below), whose sum is σ = 22185209169144. Its totient is φ = 4216895088896.

The previous prime is 10553311520399. The next prime is 10553311520443. The reversal of 10553311520420 is 2402511335501.

It can be written as a sum of positive squares in 4 ways, for example, as 335481907264 + 10217829613156 = 579208^2 + 3196534^2 .

It is a super-2 number, since 2×10553311520420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276825419 + ... + 276863538.

It is an arithmetic number, because the mean of its divisors is an integer number (924383715381).

Almost surely, 2^{10553311520420} is an apocalyptic number.

10553311520420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10553311520420 is an abundant number, since it is smaller than the sum of its proper divisors (11631897648724).

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

10553311520420 is a wasteful number, since it uses less digits than its factorization.

10553311520420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553689919 (or 553689917 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 10553311520420 its reverse (2402511335501), we get a palindrome (12955822855921).

The spelling of 10553311520420 in words is "ten trillion, five hundred fifty-three billion, three hundred eleven million, five hundred twenty thousand, four hundred twenty".