61220046003 has 4 divisors (see below), whose sum is σ = 81626728008. Its totient is φ = 40813364000.

The previous prime is 61220045987. The next prime is 61220046011. The reversal of 61220046003 is 30064002216.

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

It is a cyclic number.

It is not a de Polignac number, because 61220046003 - 2⁴ = 61220045987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61220046073) 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, 10203340998 + ... + 10203341003.

It is an arithmetic number, because the mean of its divisors is an integer number (20406682002).

Almost surely, 2^61220046003 is an apocalyptic number.

61220046003 is a deficient number, since it is larger than the sum of its proper divisors (20406682005).

61220046003 is a wasteful number, since it uses less digits than its factorization.

61220046003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406682004.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 61220046003 its reverse (30064002216), we get a palindrome (91284048219).

The spelling of 61220046003 in words is "sixty-one billion, two hundred twenty million, forty-six thousand, three".