61407595208028 has 24 divisors (see below), whose sum is σ = 143915597586432. Its totient is φ = 20379025721584.

The previous prime is 61407595208017. The next prime is 61407595208087. The reversal of 61407595208028 is 82080259570416.

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, 11271582300 + ... + 11271587747.

It is an arithmetic number, because the mean of its divisors is an integer number (5996483232768).

Almost surely, 2^{61407595208028} is an apocalyptic number.

It is an amenable number.

61407595208028 is an abundant number, since it is smaller than the sum of its proper divisors (82508002378404).

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

61407595208028 is a wasteful number, since it uses less digits than its factorization.

61407595208028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22543170281 (or 22543170279 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 61407595208028 in words is "sixty-one trillion, four hundred seven billion, five hundred ninety-five million, two hundred eight thousand, twenty-eight".