61363215039 has 12 divisors (see below), whose sum is σ = 95175599064. Its totient is φ = 35064694224.

The previous prime is 61363215031. The next prime is 61363215047. The reversal of 61363215039 is 93051236316.

It is an interprime number because it is at equal distance from previous prime (61363215031) and next prime (61363215047).

It is not a de Polignac number, because 61363215039 - 2³ = 61363215031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61363214988 and 61363215006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61363215031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208718272 + ... + 208718565.

It is an arithmetic number, because the mean of its divisors is an integer number (7931299922).

Almost surely, 2^61363215039 is an apocalyptic number.

61363215039 is a deficient number, since it is larger than the sum of its proper divisors (33812384025).

61363215039 is a wasteful number, since it uses less digits than its factorization.

61363215039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417436854 (or 417436847 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 61363215039 in words is "sixty-one billion, three hundred sixty-three million, two hundred fifteen thousand, thirty-nine".