61177838901 has 8 divisors (see below), whose sum is σ = 82110654144. Its totient is φ = 40515124800.

The previous prime is 61177838899. The next prime is 61177838941. The reversal of 61177838901 is 10983877116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61177838901 - 2¹ = 61177838899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61177838941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67524756 + ... + 67525661.

It is an arithmetic number, because the mean of its divisors is an integer number (10263831768).

Almost surely, 2^61177838901 is an apocalyptic number.

It is an amenable number.

61177838901 is a deficient number, since it is larger than the sum of its proper divisors (20932815243).

61177838901 is a wasteful number, since it uses less digits than its factorization.

61177838901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135050571.

The product of its (nonzero) digits is 508032, while the sum is 51.

The spelling of 61177838901 in words is "sixty-one billion, one hundred seventy-seven million, eight hundred thirty-eight thousand, nine hundred one".