64524157012 has 48 divisors (see below), whose sum is σ = 130457324032. Its totient is φ = 27352896480.

The previous prime is 64524156979. The next prime is 64524157037. The reversal of 64524157012 is 21075142546.

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, 929503 + ... + 996505.

Almost surely, 2^64524157012 is an apocalyptic number.

It is an amenable number.

64524157012 is an abundant number, since it is smaller than the sum of its proper divisors (65933167020).

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

64524157012 is a wasteful number, since it uses less digits than its factorization.

64524157012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67388 (or 67386 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 64524157012 its reverse (21075142546), we get a palindrome (85599299558).

The spelling of 64524157012 in words is "sixty-four billion, five hundred twenty-four million, one hundred fifty-seven thousand, twelve".