615661241412 has 48 divisors (see below), whose sum is σ = 1642652605440. Its totient is φ = 175807930272.

The previous prime is 615661241411. The next prime is 615661241491. The reversal of 615661241412 is 214142166516.

It is not an unprimeable number, because it can be changed into a prime (615661241411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828962 + ... + 2139257.

It is an arithmetic number, because the mean of its divisors is an integer number (34221929280).

Almost surely, 2^615661241412 is an apocalyptic number.

It is an amenable number.

615661241412 is an abundant number, since it is smaller than the sum of its proper divisors (1026991364028).

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

615661241412 is a wasteful number, since it uses less digits than its factorization.

615661241412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970080 (or 3970078 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The spelling of 615661241412 in words is "six hundred fifteen billion, six hundred sixty-one million, two hundred forty-one thousand, four hundred twelve".