61153426042001 has 8 divisors (see below), whose sum is σ = 61163008876200. Its totient is φ = 61143843699072.

The previous prime is 61153426041997. The next prime is 61153426042003. The reversal of 61153426042001 is 10024062435116.

It can be written as a sum of positive squares in 4 ways, for example, as 63554410000 + 61089871632001 = 252100^2 + 7816001^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61153426042001 - 2² = 61153426041997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61153426042003) 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, 307153181 + ... + 307352213.

It is an arithmetic number, because the mean of its divisors is an integer number (7645376109525).

Almost surely, 2^{61153426042001} is an apocalyptic number.

It is an amenable number.

61153426042001 is a deficient number, since it is larger than the sum of its proper divisors (9582834199).

61153426042001 is a wasteful number, since it uses less digits than its factorization.

61153426042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245635.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 61153426042001 its reverse (10024062435116), we get a palindrome (71177488477117).

The spelling of 61153426042001 in words is "sixty-one trillion, one hundred fifty-three billion, four hundred twenty-six million, forty-two thousand, one".