64898591316111 has 96 divisors (see below), whose sum is σ = 112736686739456. Its totient is φ = 35195513472000.

The previous prime is 64898591316089. The next prime is 64898591316127. The reversal of 64898591316111 is 11161319589846.

64898591316111 is a `hidden beast` number, since 6 + 4 + 8 + 9 + 8 + 5 + 9 + 1 + 3 + 1 + 611 + 1 = 666.

It is not a de Polignac number, because 64898591316111 - 2⁶ = 64898591316047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64898591312111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39339576 + ... + 40956066.

Almost surely, 2^{64898591316111} is an apocalyptic number.

64898591316111 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

64898591316111 is a deficient number, since it is larger than the sum of its proper divisors (47838095423345).

64898591316111 is a wasteful number, since it uses less digits than its factorization.

64898591316111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616933 (or 1616930 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 63.

The spelling of 64898591316111 in words is "sixty-four trillion, eight hundred ninety-eight billion, five hundred ninety-one million, three hundred sixteen thousand, one hundred eleven".