61512141328 has 20 divisors (see below), whose sum is σ = 130014299088. Its totient is φ = 27960064160.

The previous prime is 61512141323. The next prime is 61512141343. The reversal of 61512141328 is 82314121516.

It is a junction number, because it is equal to n+sod(n) for n = 61512141293 and 61512141302.

It is not an unprimeable number, because it can be changed into a prime (61512141323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174750226 + ... + 174750577.

Almost surely, 2^61512141328 is an apocalyptic number.

It is an amenable number.

61512141328 is an abundant number, since it is smaller than the sum of its proper divisors (68502157760).

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

61512141328 is a wasteful number, since it uses less digits than its factorization.

61512141328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349500822 (or 349500816 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The spelling of 61512141328 in words is "sixty-one billion, five hundred twelve million, one hundred forty-one thousand, three hundred twenty-eight".