61038157100 has 36 divisors (see below), whose sum is σ = 134129436000. Its totient is φ = 24106205760.

The previous prime is 61038157097. The next prime is 61038157129. The reversal of 61038157100 is 175183016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3855275 + ... + 3871074.

Almost surely, 2^61038157100 is an apocalyptic number.

It is an amenable number.

61038157100 is an abundant number, since it is smaller than the sum of its proper divisors (73091278900).

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

61038157100 is a wasteful number, since it uses less digits than its factorization.

61038157100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726442 (or 7726435 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 61038157100 in words is "sixty-one billion, thirty-eight million, one hundred fifty-seven thousand, one hundred".