61246400001 has 8 divisors (see below), whose sum is σ = 82285240224. Its totient is φ = 40519246560.

The previous prime is 61246399997. The next prime is 61246400027. The reversal of 61246400001 is 10000464216.

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

It is not a de Polignac number, because 61246400001 - 2² = 61246399997 is a prime.

It is a super-2 number, since 2×61246400001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61246404001) 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, 77921236 + ... + 77922021.

It is an arithmetic number, because the mean of its divisors is an integer number (10285655028).

Almost surely, 2^61246400001 is an apocalyptic number.

It is an amenable number.

61246400001 is a deficient number, since it is larger than the sum of its proper divisors (21038840223).

61246400001 is a wasteful number, since it uses less digits than its factorization.

61246400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155843391.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 61246400001 its reverse (10000464216), we get a palindrome (71246864217).

The spelling of 61246400001 in words is "sixty-one billion, two hundred forty-six million, four hundred thousand, one".