61160782671541 has 4 divisors (see below), whose sum is σ = 69898037338912. Its totient is φ = 52423528004172.

The previous prime is 61160782671533. The next prime is 61160782671581. The reversal of 61160782671541 is 14517628706116.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61160782671541 - 2³ = 61160782671533 is a prime.

It is a super-2 number, since 2×61160782671541² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61160782671511) 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, 4368627333675 + ... + 4368627333688.

It is an arithmetic number, because the mean of its divisors is an integer number (17474509334728).

Almost surely, 2^{61160782671541} is an apocalyptic number.

It is an amenable number.

61160782671541 is a deficient number, since it is larger than the sum of its proper divisors (8737254667371).

61160782671541 is an equidigital number, since it uses as much as digits as its factorization.

61160782671541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737254667370.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 61160782671541 in words is "sixty-one trillion, one hundred sixty billion, seven hundred eighty-two million, six hundred seventy-one thousand, five hundred forty-one".