61204635203 has 16 divisors (see below), whose sum is σ = 65145622464. Its totient is φ = 57302277120.

The previous prime is 61204635199. The next prime is 61204635209. The reversal of 61204635203 is 30253640216.

It is a cyclic number.

It is not a de Polignac number, because 61204635203 - 2² = 61204635199 is a prime.

It is a super-3 number, since 3×61204635203³ (a number of 33 digits) contains 333 as substring.

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 61204635203.

It is not an unprimeable number, because it can be changed into a prime (61204635209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2612783 + ... + 2636103.

It is an arithmetic number, because the mean of its divisors is an integer number (4071601404).

Almost surely, 2^61204635203 is an apocalyptic number.

61204635203 is a deficient number, since it is larger than the sum of its proper divisors (3940987261).

61204635203 is a wasteful number, since it uses less digits than its factorization.

61204635203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24142.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 61204635203 in words is "sixty-one billion, two hundred four million, six hundred thirty-five thousand, two hundred three".