61328612510 has 16 divisors (see below), whose sum is σ = 120427093872. Its totient is φ = 22301313600.

The previous prime is 61328612507. The next prime is 61328612537. The reversal of 61328612510 is 1521682316.

It is a super-2 number, since 2×61328612510² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278766311 + ... + 278766530.

It is an arithmetic number, because the mean of its divisors is an integer number (7526693367).

Almost surely, 2^61328612510 is an apocalyptic number.

61328612510 is a deficient number, since it is larger than the sum of its proper divisors (59098481362).

61328612510 is a wasteful number, since it uses less digits than its factorization.

61328612510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557532859.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 61328612510 in words is "sixty-one billion, three hundred twenty-eight million, six hundred twelve thousand, five hundred ten".