61111426 has 4 divisors (see below), whose sum is σ = 91667142. Its totient is φ = 30555712.

The previous prime is 61111423. The next prime is 61111441. The reversal of 61111426 is 62411116.

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

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 14175225 = 6851^2 + 3765^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61111397 and 61111406.

It is not an unprimeable number, because it can be changed into a prime (61111423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277855 + ... + 15277858.

Almost surely, 2^61111426 is an apocalyptic number.

61111426 is a deficient number, since it is larger than the sum of its proper divisors (30555716).

61111426 is a wasteful number, since it uses less digits than its factorization.

61111426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30555715.

The product of its digits is 288, while the sum is 22.

The square root of 61111426 is about 7817.3797400408. The cubic root of 61111426 is about 393.8892600215.

The spelling of 61111426 in words is "sixty-one million, one hundred eleven thousand, four hundred twenty-six".