61380500901 has 16 divisors (see below), whose sum is σ = 86153323200. Its totient is φ = 38764268928.

The previous prime is 61380500899. The next prime is 61380500911. The reversal of 61380500901 is 10900508316.

It is not a de Polignac number, because 61380500901 - 2¹ = 61380500899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61380500911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1813905 + ... + 1847433.

It is an arithmetic number, because the mean of its divisors is an integer number (5384582700).

Almost surely, 2^61380500901 is an apocalyptic number.

It is an amenable number.

61380500901 is a deficient number, since it is larger than the sum of its proper divisors (24772822299).

61380500901 is a wasteful number, since it uses less digits than its factorization.

61380500901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65668.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 61380500901 in words is "sixty-one billion, three hundred eighty million, five hundred thousand, nine hundred one".