10340450115555 has 64 divisors (see below), whose sum is σ = 19298724480000. Its totient is φ = 4725938327040.

The previous prime is 10340450115547. The next prime is 10340450115563. The reversal of 10340450115555 is 55551105404301.

It is an interprime number because it is at equal distance from previous prime (10340450115547) and next prime (10340450115563).

It is not a de Polignac number, because 10340450115555 - 2³ = 10340450115547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21582996 + ... + 22056894.

It is an arithmetic number, because the mean of its divisors is an integer number (301542570000).

Almost surely, 2^{10340450115555} is an apocalyptic number.

10340450115555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10340450115555 is a deficient number, since it is larger than the sum of its proper divisors (8958274364445).

10340450115555 is an equidigital number, since it uses as much as digits as its factorization.

10340450115555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478169 (or 478155 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

Adding to 10340450115555 its reverse (55551105404301), we get a palindrome (65891555519856).

The spelling of 10340450115555 in words is "ten trillion, three hundred forty billion, four hundred fifty million, one hundred fifteen thousand, five hundred fifty-five".