6156505061 has 4 divisors (see below), whose sum is σ = 7036005792. Its totient is φ = 5277004332.

The previous prime is 6156505051. The next prime is 6156505079. The reversal of 6156505061 is 1605056516.

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 6156505061 - 2²² = 6152310757 is a prime.

It is a super-2 number, since 2×6156505061² = 75805109132237227442, which 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 (6156505021) 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, 439750355 + ... + 439750368.

It is an arithmetic number, because the mean of its divisors is an integer number (1759001448).

Almost surely, 2^6156505061 is an apocalyptic number.

It is an amenable number.

6156505061 is a deficient number, since it is larger than the sum of its proper divisors (879500731).

6156505061 is an equidigital number, since it uses as much as digits as its factorization.

6156505061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879500730.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 6156505061 is about 78463.3994993844. The cubic root of 6156505061 is about 1832.7845433523.

The spelling of 6156505061 in words is "six billion, one hundred fifty-six million, five hundred five thousand, sixty-one".