64100420515101 has 16 divisors (see below), whose sum is σ = 86145329110464. Its totient is φ = 42395620681344.

The previous prime is 64100420515099. The next prime is 64100420515123. The reversal of 64100420515101 is 10151502400146.

It is not a de Polignac number, because 64100420515101 - 2¹ = 64100420515099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64100420515151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131992696 + ... + 132477441.

It is an arithmetic number, because the mean of its divisors is an integer number (5384083069404).

Almost surely, 2^{64100420515101} is an apocalyptic number.

It is an amenable number.

64100420515101 is a deficient number, since it is larger than the sum of its proper divisors (22044908595363).

64100420515101 is a wasteful number, since it uses less digits than its factorization.

64100420515101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264470780.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 64100420515101 its reverse (10151502400146), we get a palindrome (74251922915247).

The spelling of 64100420515101 in words is "sixty-four trillion, one hundred billion, four hundred twenty million, five hundred fifteen thousand, one hundred one".