61421479102111 has 16 divisors (see below), whose sum is σ = 62650639707264. Its totient is φ = 60207739543584.

The previous prime is 61421479102103. The next prime is 61421479102133. The reversal of 61421479102111 is 11120197412416.

It is a cyclic number.

It is not a de Polignac number, because 61421479102111 - 2³ = 61421479102103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61421479105111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3797880 + ... + 11716093.

It is an arithmetic number, because the mean of its divisors is an integer number (3915664981704).

Almost surely, 2^{61421479102111} is an apocalyptic number.

61421479102111 is a deficient number, since it is larger than the sum of its proper divisors (1229160605153).

61421479102111 is a wasteful number, since it uses less digits than its factorization.

61421479102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15514470.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 61421479102111 in words is "sixty-one trillion, four hundred twenty-one billion, four hundred seventy-nine million, one hundred two thousand, one hundred eleven".