61403610534026 has 4 divisors (see below), whose sum is σ = 92105415801042. Its totient is φ = 30701805267012.

The previous prime is 61403610534011. The next prime is 61403610534053. The reversal of 61403610534026 is 62043501630416.

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

It can be written as a sum of positive squares in only one way, i.e., 32742416965801 + 28661193568225 = 5722099^2 + 5353615^2 .

It is a super-2 number, since 2×61403610534026² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15350902633505 + ... + 15350902633508.

Almost surely, 2^{61403610534026} is an apocalyptic number.

61403610534026 is a deficient number, since it is larger than the sum of its proper divisors (30701805267016).

61403610534026 is a wasteful number, since it uses less digits than its factorization.

61403610534026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30701805267015.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 61403610534026 in words is "sixty-one trillion, four hundred three billion, six hundred ten million, five hundred thirty-four thousand, twenty-six".