61001505150 has 24 divisors (see below), whose sum is σ = 151283733144. Its totient is φ = 16267068000.

The previous prime is 61001505143. The next prime is 61001505151. The reversal of 61001505150 is 5150510016.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61001505150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001505151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203338201 + ... + 203338500.

It is an arithmetic number, because the mean of its divisors is an integer number (6303488881).

Almost surely, 2^61001505150 is an apocalyptic number.

61001505150 is an abundant number, since it is smaller than the sum of its proper divisors (90282227994).

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

61001505150 is a wasteful number, since it uses less digits than its factorization.

61001505150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406676716 (or 406676711 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 61001505150 in words is "sixty-one billion, one million, five hundred five thousand, one hundred fifty".