61506461041 has 4 divisors (see below), whose sum is σ = 61507597300. Its totient is φ = 61505324784.

The previous prime is 61506461033. The next prime is 61506461063. The reversal of 61506461041 is 14016460516.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39642402816 + 21864058225 = 199104^2 + 147865^2 .

It is a cyclic number.

It is not a de Polignac number, because 61506461041 - 2³ = 61506461033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61506460988 and 61506461006.

It is not an unprimeable number, because it can be changed into a prime (61506462041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482646 + ... + 596623.

It is an arithmetic number, because the mean of its divisors is an integer number (15376899325).

Almost surely, 2^61506461041 is an apocalyptic number.

It is an amenable number.

61506461041 is a deficient number, since it is larger than the sum of its proper divisors (1136259).

61506461041 is a wasteful number, since it uses less digits than its factorization.

61506461041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136258.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 61506461041 in words is "sixty-one billion, five hundred six million, four hundred sixty-one thousand, forty-one".