61530436626510 has 32 divisors (see below), whose sum is σ = 148084393466880. Its totient is φ = 16362411371168.

The previous prime is 61530436626497. The next prime is 61530436626577. The reversal of 61530436626510 is 1562663403516.

It is a self number, because there is not a number n which added to its sum of digits gives 61530436626510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2856555462 + ... + 2856577001.

It is an arithmetic number, because the mean of its divisors is an integer number (4627637295840).

Almost surely, 2^{61530436626510} is an apocalyptic number.

61530436626510 is an abundant number, since it is smaller than the sum of its proper divisors (86553956840370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61530436626510 is a wasteful number, since it uses less digits than its factorization.

61530436626510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713132832.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 61530436626510 in words is "sixty-one trillion, five hundred thirty billion, four hundred thirty-six million, six hundred twenty-six thousand, five hundred ten".