61061011051 has 8 divisors (see below), whose sum is σ = 61427126864. Its totient is φ = 60695943840.

The previous prime is 61061011049. The next prime is 61061011061. The reversal of 61061011051 is 15011016016.

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 61061011051 - 2¹ = 61061011049 is a prime.

It is a super-3 number, since 3×61061011051³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61061011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145185 + ... + 378418.

It is an arithmetic number, because the mean of its divisors is an integer number (7678390858).

Almost surely, 2^61061011051 is an apocalyptic number.

61061011051 is a deficient number, since it is larger than the sum of its proper divisors (366115813).

61061011051 is a wasteful number, since it uses less digits than its factorization.

61061011051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524301.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 61061011051 its reverse (15011016016), we get a palindrome (76072027067).

The spelling of 61061011051 in words is "sixty-one billion, sixty-one million, eleven thousand, fifty-one".