61356430110 has 32 divisors (see below), whose sum is σ = 147677392800. Its totient is φ = 16314830208.

The previous prime is 61356430097. The next prime is 61356430117. The reversal of 61356430110 is 1103465316.

It is a super-2 number, since 2×61356430110² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61356430117) 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, 2919637 + ... + 2940576.

It is an arithmetic number, because the mean of its divisors is an integer number (4614918525).

Almost surely, 2^61356430110 is an apocalyptic number.

61356430110 is an abundant number, since it is smaller than the sum of its proper divisors (86320962690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61356430110 is a wasteful number, since it uses less digits than its factorization.

61356430110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860572.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 61356430110 its reverse (1103465316), we get a palindrome (62459895426).

The spelling of 61356430110 in words is "sixty-one billion, three hundred fifty-six million, four hundred thirty thousand, one hundred ten".