61424186251000 has 32 divisors (see below), whose sum is σ = 143732595829680. Its totient is φ = 24569674500000.

The previous prime is 61424186250961. The next prime is 61424186251033. The reversal of 61424186251000 is 15268142416.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 30712092126 + ... + 30712094125.

Almost surely, 2^{61424186251000} is an apocalyptic number.

It is an amenable number.

61424186251000 is an abundant number, since it is smaller than the sum of its proper divisors (82308409578680).

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

61424186251000 is a wasteful number, since it uses less digits than its factorization.

61424186251000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61424186272 (or 61424186258 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 61424186251000 in words is "sixty-one trillion, four hundred twenty-four billion, one hundred eighty-six million, two hundred fifty-one thousand".