6861154812201 has 24 divisors (see below), whose sum is σ = 10077501824000. Its totient is φ = 4497118380000.

The previous prime is 6861154812199. The next prime is 6861154812209. The reversal of 6861154812201 is 1022184511686.

6861154812201 is a `hidden beast` number, since 6 + 8 + 611 + 5 + 4 + 8 + 1 + 2 + 20 + 1 = 666.

It is not a de Polignac number, because 6861154812201 - 2¹ = 6861154812199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6861154812209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1540201 + ... + 4011798.

Almost surely, 2^{6861154812201} is an apocalyptic number.

6861154812201 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6861154812201 is a deficient number, since it is larger than the sum of its proper divisors (3216347011799).

6861154812201 is a wasteful number, since it uses less digits than its factorization.

6861154812201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554317 (or 5554314 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 6861154812201 in words is "six trillion, eight hundred sixty-one billion, one hundred fifty-four million, eight hundred twelve thousand, two hundred one".