61404116503213 has 16 divisors (see below), whose sum is σ = 69307712026560. Its totient is φ = 53888062076800.

The previous prime is 61404116503181. The next prime is 61404116503241. The reversal of 61404116503213 is 31230561140416.

It is a cyclic number.

It is not a de Polignac number, because 61404116503213 - 2⁵ = 61404116503181 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 (61404116503243) 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, 14093920 + ... + 17928937.

It is an arithmetic number, because the mean of its divisors is an integer number (4331732001660).

Almost surely, 2^{61404116503213} is an apocalyptic number.

It is an amenable number.

61404116503213 is a deficient number, since it is larger than the sum of its proper divisors (7903595523347).

61404116503213 is a wasteful number, since it uses less digits than its factorization.

61404116503213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32028908.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 61404116503213 its reverse (31230561140416), we get a palindrome (92634677643629).

The spelling of 61404116503213 in words is "sixty-one trillion, four hundred four billion, one hundred sixteen million, five hundred three thousand, two hundred thirteen".