61483564515 has 16 divisors (see below), whose sum is σ = 100229812128. Its totient is φ = 32172531456.

The previous prime is 61483564427. The next prime is 61483564517. The reversal of 61483564515 is 51546538416.

It is not a de Polignac number, because 61483564515 - 2¹⁸ = 61483302371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61483564517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38668114 + ... + 38669703.

It is an arithmetic number, because the mean of its divisors is an integer number (6264363258).

Almost surely, 2^61483564515 is an apocalyptic number.

61483564515 is a deficient number, since it is larger than the sum of its proper divisors (38746247613).

61483564515 is a wasteful number, since it uses less digits than its factorization.

61483564515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77337878.

The product of its digits is 1728000, while the sum is 48.

The spelling of 61483564515 in words is "sixty-one billion, four hundred eighty-three million, five hundred sixty-four thousand, five hundred fifteen".