61526140053 has 16 divisors (see below), whose sum is σ = 99269066880. Its totient is φ = 33089688576.

The previous prime is 61526140037. The next prime is 61526140079. The reversal of 61526140053 is 35004162516.

It is not a de Polignac number, because 61526140053 - 2⁴ = 61526140037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61526139996 and 61526140023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61521140053) 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 15 ways as a sum of consecutive naturals, for example, 86170708 + ... + 86171421.

It is an arithmetic number, because the mean of its divisors is an integer number (6204316680).

Almost surely, 2^61526140053 is an apocalyptic number.

It is an amenable number.

61526140053 is a deficient number, since it is larger than the sum of its proper divisors (37742926827).

61526140053 is a wasteful number, since it uses less digits than its factorization.

61526140053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172342156.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 61526140053 in words is "sixty-one billion, five hundred twenty-six million, one hundred forty thousand, fifty-three".