61350011 has 4 divisors (see below), whose sum is σ = 61368024. Its totient is φ = 61332000.

The previous prime is 61349999. The next prime is 61350041. The reversal of 61350011 is 11005316.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61350011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61350041) 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, 2165 + ... + 11286.

It is an arithmetic number, because the mean of its divisors is an integer number (15342006).

Almost surely, 2^61350011 is an apocalyptic number.

61350011 is a deficient number, since it is larger than the sum of its proper divisors (18013).

61350011 is a wasteful number, since it uses less digits than its factorization.

61350011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18012.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 61350011 is about 7832.6247835576. The cubic root of 61350011 is about 394.4011884913.

Adding to 61350011 its reverse (11005316), we get a palindrome (72355327).

The spelling of 61350011 in words is "sixty-one million, three hundred fifty thousand, eleven".