61052011251 has 64 divisors (see below), whose sum is σ = 103016448000. Its totient is φ = 31239936000.

The previous prime is 61052011217. The next prime is 61052011271. The reversal of 61052011251 is 15211025016.

It is not a de Polignac number, because 61052011251 - 2¹⁵ = 61051978483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61052011271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8190076 + ... + 8197526.

It is an arithmetic number, because the mean of its divisors is an integer number (1609632000).

Almost surely, 2^61052011251 is an apocalyptic number.

61052011251 is a deficient number, since it is larger than the sum of its proper divisors (41964436749).

61052011251 is a wasteful number, since it uses less digits than its factorization.

61052011251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 61052011251 its reverse (15211025016), we get a palindrome (76263036267).

The spelling of 61052011251 in words is "sixty-one billion, fifty-two million, eleven thousand, two hundred fifty-one".