61342261000 has 32 divisors (see below), whose sum is σ = 143540893080. Its totient is φ = 24536904000.

The previous prime is 61342260877. The next prime is 61342261031. The reversal of 61342261000 is 16224316.

It can be written as a sum of positive squares in 4 ways, for example, as 4965457156 + 56376803844 = 70466^2 + 237438^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30670131 + ... + 30672130.

Almost surely, 2^61342261000 is an apocalyptic number.

It is an amenable number.

61342261000 is an abundant number, since it is smaller than the sum of its proper divisors (82198632080).

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

61342261000 is a wasteful number, since it uses less digits than its factorization.

61342261000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61342282 (or 61342268 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 61342261000 its reverse (16224316), we get a palindrome (61358485316).

The spelling of 61342261000 in words is "sixty-one billion, three hundred forty-two million, two hundred sixty-one thousand".