61914111 has 16 divisors (see below), whose sum is σ = 95282688. Its totient is φ = 35028000.

The previous prime is 61914107. The next prime is 61914113. The reversal of 61914111 is 11141916.

It is not a de Polignac number, because 61914111 - 2² = 61914107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61914113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12475 + ... + 16716.

It is an arithmetic number, because the mean of its divisors is an integer number (5955168).

Almost surely, 2^61914111 is an apocalyptic number.

61914111 is a deficient number, since it is larger than the sum of its proper divisors (33368577).

61914111 is a wasteful number, since it uses less digits than its factorization.

61914111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29302.

The product of its digits is 216, while the sum is 24.

The square root of 61914111 is about 7868.5520268980. The cubic root of 61914111 is about 395.6063134160.

The spelling of 61914111 in words is "sixty-one million, nine hundred fourteen thousand, one hundred eleven".