61211152127067 has 4 divisors (see below), whose sum is σ = 81614869502760. Its totient is φ = 40807434751376.

The previous prime is 61211152127053. The next prime is 61211152127087. The reversal of 61211152127067 is 76072125111216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61211152127067 - 2⁶ = 61211152127003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61211152127087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10201858687842 + ... + 10201858687847.

It is an arithmetic number, because the mean of its divisors is an integer number (20403717375690).

Almost surely, 2^{61211152127067} is an apocalyptic number.

61211152127067 is a deficient number, since it is larger than the sum of its proper divisors (20403717375693).

61211152127067 is a wasteful number, since it uses less digits than its factorization.

61211152127067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20403717375692.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 61211152127067 in words is "sixty-one trillion, two hundred eleven billion, one hundred fifty-two million, one hundred twenty-seven thousand, sixty-seven".