61502322043 has 4 divisors (see below), whose sum is σ = 61576511440. Its totient is φ = 61428132648.

The previous prime is 61502322019. The next prime is 61502322047. The reversal of 61502322043 is 34022320516.

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 61502322043 - 2²⁵ = 61468767611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61502322047) 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, 37093455 + ... + 37095112.

It is an arithmetic number, because the mean of its divisors is an integer number (15394127860).

Almost surely, 2^61502322043 is an apocalyptic number.

61502322043 is a deficient number, since it is larger than the sum of its proper divisors (74189397).

61502322043 is an equidigital number, since it uses as much as digits as its factorization.

61502322043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74189396.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 61502322043 its reverse (34022320516), we get a palindrome (95524642559).

The spelling of 61502322043 in words is "sixty-one billion, five hundred two million, three hundred twenty-two thousand, forty-three".