61130651534 has 4 divisors (see below), whose sum is σ = 91695977304. Its totient is φ = 30565325766.

The previous prime is 61130651503. The next prime is 61130651539. The reversal of 61130651534 is 43515603116.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61130651494 and 61130651503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130651539) 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 as a sum of consecutive naturals, namely, 15282662882 + ... + 15282662885.

It is an arithmetic number, because the mean of its divisors is an integer number (22923994326).

Almost surely, 2^61130651534 is an apocalyptic number.

61130651534 is a deficient number, since it is larger than the sum of its proper divisors (30565325770).

61130651534 is a wasteful number, since it uses less digits than its factorization.

61130651534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30565325769.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 61130651534 in words is "sixty-one billion, one hundred thirty million, six hundred fifty-one thousand, five hundred thirty-four".