61299107205234 has 32 divisors (see below), whose sum is σ = 129818794576896. Its totient is φ = 19229770901760.

The previous prime is 61299107205233. The next prime is 61299107205241. The reversal of 61299107205234 is 43250270199216.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (61299107205233) 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, 19157202 + ... + 22126829.

It is an arithmetic number, because the mean of its divisors is an integer number (4056837330528).

Almost surely, 2^{61299107205234} is an apocalyptic number.

61299107205234 is an abundant number, since it is smaller than the sum of its proper divisors (68519687371662).

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

61299107205234 is a wasteful number, since it uses less digits than its factorization.

61299107205234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41298610.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 61299107205234 in words is "sixty-one trillion, two hundred ninety-nine billion, one hundred seven million, two hundred five thousand, two hundred thirty-four".