61630151203 has 4 divisors (see below), whose sum is σ = 61631383000. Its totient is φ = 61628919408.

The previous prime is 61630151171. The next prime is 61630151207. The reversal of 61630151203 is 30215103616.

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 61630151203 - 2⁵ = 61630151171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61630151207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537525 + ... + 642022.

It is an arithmetic number, because the mean of its divisors is an integer number (15407845750).

Almost surely, 2^61630151203 is an apocalyptic number.

61630151203 is a deficient number, since it is larger than the sum of its proper divisors (1231797).

61630151203 is a wasteful number, since it uses less digits than its factorization.

61630151203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231796.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 61630151203 its reverse (30215103616), we get a palindrome (91845254819).

The spelling of 61630151203 in words is "sixty-one billion, six hundred thirty million, one hundred fifty-one thousand, two hundred three".