61248906150 has 72 divisors (see below), whose sum is σ = 154068720072. Its totient is φ = 16102800000.

The previous prime is 61248906133. The next prime is 61248906203. The reversal of 61248906150 is 5160984216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 715650 + ... + 796650.

Almost surely, 2^61248906150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61248906150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77034360036).

61248906150 is an abundant number, since it is smaller than the sum of its proper divisors (92819813922).

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

61248906150 is a wasteful number, since it uses less digits than its factorization.

61248906150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81158 (or 81082 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 61248906150 in words is "sixty-one billion, two hundred forty-eight million, nine hundred six thousand, one hundred fifty".