61140015203 has 12 divisors (see below), whose sum is σ = 66101125608. Its totient is φ = 56509371360.

The previous prime is 61140015161. The next prime is 61140015221. The reversal of 61140015203 is 30251004116.

61140015203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61140015203 - 2²⁰ = 61138966627 is a prime.

It is a super-2 number, since 2×61140015203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61140015253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050601 + ... + 2080202.

It is an arithmetic number, because the mean of its divisors is an integer number (5508427134).

Almost surely, 2^61140015203 is an apocalyptic number.

61140015203 is a deficient number, since it is larger than the sum of its proper divisors (4961110405).

61140015203 is a wasteful number, since it uses less digits than its factorization.

61140015203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130882 (or 4130863 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 61140015203 its reverse (30251004116), we get a palindrome (91391019319).

The spelling of 61140015203 in words is "sixty-one billion, one hundred forty million, fifteen thousand, two hundred three".