61061431041 has 32 divisors (see below), whose sum is σ = 97652688000. Its totient is φ = 37486494144.

The previous prime is 61061431037. The next prime is 61061431061. The reversal of 61061431041 is 14013416016.

61061431041 is a `hidden beast` number, since 6 + 1 + 0 + 614 + 3 + 1 + 0 + 41 = 666.

It is not a de Polignac number, because 61061431041 - 2² = 61061431037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 61061430996 and 61061431014.

It is not an unprimeable number, because it can be changed into a prime (61061431061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60526 + ... + 354663.

It is an arithmetic number, because the mean of its divisors is an integer number (3051646500).

Almost surely, 2^61061431041 is an apocalyptic number.

It is an amenable number.

61061431041 is a deficient number, since it is larger than the sum of its proper divisors (36591256959).

61061431041 is a wasteful number, since it uses less digits than its factorization.

61061431041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415630 (or 415624 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 61061431041 its reverse (14013416016), we get a palindrome (75074847057).

The spelling of 61061431041 in words is "sixty-one billion, sixty-one million, four hundred thirty-one thousand, forty-one".