61185659083 has 4 divisors (see below), whose sum is σ = 61210768480. Its totient is φ = 61160549688.

The previous prime is 61185659069. The next prime is 61185659113. The reversal of 61185659083 is 38095658116.

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

It is a cyclic number.

It is not a de Polignac number, because 61185659083 - 2¹⁷ = 61185528011 is a prime.

It is a super-2 number, since 2×61185659083² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61185659083.

It is not an unprimeable number, because it can be changed into a prime (61185659033) 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, 12551043 + ... + 12555916.

It is an arithmetic number, because the mean of its divisors is an integer number (15302692120).

Almost surely, 2^61185659083 is an apocalyptic number.

61185659083 is a deficient number, since it is larger than the sum of its proper divisors (25109397).

61185659083 is a wasteful number, since it uses less digits than its factorization.

61185659083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25109396.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 61185659083 in words is "sixty-one billion, one hundred eighty-five million, six hundred fifty-nine thousand, eighty-three".