61512146413 has 8 divisors (see below), whose sum is σ = 63677890080. Its totient is φ = 59349378480.

The previous prime is 61512146407. The next prime is 61512146417. The reversal of 61512146413 is 31464121516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61512146413 - 2³³ = 52922211821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61512146417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701823 + ... + 784588.

It is an arithmetic number, because the mean of its divisors is an integer number (7959736260).

Almost surely, 2^61512146413 is an apocalyptic number.

It is an amenable number.

61512146413 is a deficient number, since it is larger than the sum of its proper divisors (2165743667).

61512146413 is a wasteful number, since it uses less digits than its factorization.

61512146413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487867.

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

Adding to 61512146413 its reverse (31464121516), we get a palindrome (92976267929).

The spelling of 61512146413 in words is "sixty-one billion, five hundred twelve million, one hundred forty-six thousand, four hundred thirteen".