6111261551201 has 2 divisors, whose sum is σ = 6111261551202. Its totient is φ = 6111261551200.

The previous prime is 6111261551179. The next prime is 6111261551207. The reversal of 6111261551201 is 1021551621116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3885436264801 + 2225825286400 = 1971151^2 + 1491920^2 .

It is a cyclic number.

It is not a de Polignac number, because 6111261551201 - 2³⁰ = 6110187809377 is a prime.

It is not a weakly prime, because it can be changed into another prime (6111261551207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055630775600 + 3055630775601.

It is an arithmetic number, because the mean of its divisors is an integer number (3055630775601).

Almost surely, 2^{6111261551201} is an apocalyptic number.

It is an amenable number.

6111261551201 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111261551201 is an equidigital number, since it uses as much as digits as its factorization.

6111261551201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 32.

The spelling of 6111261551201 in words is "six trillion, one hundred eleven billion, two hundred sixty-one million, five hundred fifty-one thousand, two hundred one".