6111261554201 has 2 divisors, whose sum is σ = 6111261554202. Its totient is φ = 6111261554200.

The previous prime is 6111261554147. The next prime is 6111261554257. The reversal of 6111261554201 is 1024551621116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3547176726025 + 2564084828176 = 1883395^2 + 1601276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111261554201 is a prime.

It is not a weakly prime, because it can be changed into another prime (6111261551201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055630777100 + 3055630777101.

It is an arithmetic number, because the mean of its divisors is an integer number (3055630777101).

Almost surely, 2^{6111261554201} is an apocalyptic number.

It is an amenable number.

6111261554201 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111261554201 is an equidigital number, since it uses as much as digits as its factorization.

6111261554201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 6111261554201 in words is "six trillion, one hundred eleven billion, two hundred sixty-one million, five hundred fifty-four thousand, two hundred one".