10240323121455 has 32 divisors (see below), whose sum is σ = 19370857536000. Its totient is φ = 4519866755712.

The previous prime is 10240323121451. The next prime is 10240323121477. The reversal of 10240323121455 is 55412132304201.

It is not a de Polignac number, because 10240323121455 - 2² = 10240323121451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240323121451) 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 31 ways as a sum of consecutive naturals, for example, 1681495005 + ... + 1681501094.

It is an arithmetic number, because the mean of its divisors is an integer number (605339298000).

Almost surely, 2^{10240323121455} is an apocalyptic number.

10240323121455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10240323121455 is a deficient number, since it is larger than the sum of its proper divisors (9130534414545).

10240323121455 is a wasteful number, since it uses less digits than its factorization.

10240323121455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362996143.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 10240323121455 its reverse (55412132304201), we get a palindrome (65652455425656).

The spelling of 10240323121455 in words is "ten trillion, two hundred forty billion, three hundred twenty-three million, one hundred twenty-one thousand, four hundred fifty-five".