10531002155400 has 144 divisors (see below), whose sum is σ = 35424883852800. Its totient is φ = 2803640480640.

The previous prime is 10531002155393. The next prime is 10531002155447. The reversal of 10531002155400 is 455120013501.

10531002155400 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 100 + 2 + 1 + 554 + 0 + 0 = 666.

It is a super-2 number, since 2×10531002155400² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3726640 + ... + 5911839.

Almost surely, 2^{10531002155400} is an apocalyptic number.

10531002155400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10531002155400 is an abundant number, since it is smaller than the sum of its proper divisors (24893881697400).

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

10531002155400 is a wasteful number, since it uses less digits than its factorization.

10531002155400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639108 (or 9639096 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 10531002155400 its reverse (455120013501), we get a palindrome (10986122168901).

The spelling of 10531002155400 in words is "ten trillion, five hundred thirty-one billion, two million, one hundred fifty-five thousand, four hundred".