61111104 has 28 divisors (see below), whose sum is σ = 161690304. Its totient is φ = 20370304.

The previous prime is 61111103. The next prime is 61111111. The reversal of 61111104 is 40111116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61111103) 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, 158952 + ... + 159335.

Almost surely, 2^61111104 is an apocalyptic number.

61111104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61111104 is an abundant number, since it is smaller than the sum of its proper divisors (100579200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61111104 is a wasteful number, since it uses less digits than its factorization.

61111104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318302 (or 318292 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 61111104 is about 7817.3591448775. The cubic root of 61111104 is about 393.8885682111. Note that the first 3 decimals are identical.

The spelling of 61111104 in words is "sixty-one million, one hundred eleven thousand, one hundred four".