13105420221510 has 64 divisors (see below), whose sum is σ = 34948857922560. Its totient is φ = 3494671659360.

The previous prime is 13105420221461. The next prime is 13105420221559. The reversal of 13105420221510 is 1512202450131.

It is a happy number.

13105420221510 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 5 + 420 + 221 + 5 + 10 = 666.

It is an interprime number because it is at equal distance from previous prime (13105420221461) and next prime (13105420221559).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8288749 + ... + 9742391.

It is an arithmetic number, because the mean of its divisors is an integer number (546075905040).

Almost surely, 2^{13105420221510} is an apocalyptic number.

13105420221510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105420221510 is an abundant number, since it is smaller than the sum of its proper divisors (21843437701050).

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

13105420221510 is a wasteful number, since it uses less digits than its factorization.

13105420221510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487050 (or 1487044 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 13105420221510 its reverse (1512202450131), we get a palindrome (14617622671641).

The spelling of 13105420221510 in words is "thirteen trillion, one hundred five billion, four hundred twenty million, two hundred twenty-one thousand, five hundred ten".