61150211 has 4 divisors (see below), whose sum is σ = 61226424. Its totient is φ = 61074000.

The previous prime is 61150157. The next prime is 61150217. The reversal of 61150211 is 11205116.

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-61150211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61150211.

It is not an unprimeable number, because it can be changed into a prime (61150217) 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, 36890 + ... + 38511.

It is an arithmetic number, because the mean of its divisors is an integer number (15306606).

Almost surely, 2^61150211 is an apocalyptic number.

61150211 is a deficient number, since it is larger than the sum of its proper divisors (76213).

61150211 is an equidigital number, since it uses as much as digits as its factorization.

61150211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76212.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 61150211 is about 7819.8600371106. The cubic root of 61150211 is about 393.9725710332.

Adding to 61150211 its reverse (11205116), we get a palindrome (72355327).

The spelling of 61150211 in words is "sixty-one million, one hundred fifty thousand, two hundred eleven".