61381124430 has 32 divisors (see below), whose sum is σ = 150740625024. Its totient is φ = 15987641376.

The previous prime is 61381124429. The next prime is 61381124447. The reversal of 61381124430 is 3442118316.

It is a super-2 number, since 2×61381124430² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61381124391 and 61381124400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23789844 + ... + 23792423.

It is an arithmetic number, because the mean of its divisors is an integer number (4710644532).

Almost surely, 2^61381124430 is an apocalyptic number.

61381124430 is an abundant number, since it is smaller than the sum of its proper divisors (89359500594).

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

61381124430 is a wasteful number, since it uses less digits than its factorization.

61381124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47582320.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 61381124430 in words is "sixty-one billion, three hundred eighty-one million, one hundred twenty-four thousand, four hundred thirty".