61222400403155 has 8 divisors (see below), whose sum is σ = 73467078537600. Its totient is φ = 48977788286656.

The previous prime is 61222400403077. The next prime is 61222400403163. The reversal of 61222400403155 is 55130400422216.

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 61222400403155 - 2¹⁰ = 61222400402131 is a prime.

It is a super-2 number, since 2×61222400403155² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14440835 + ... + 18192924.

It is an arithmetic number, because the mean of its divisors is an integer number (9183384817200).

Almost surely, 2^{61222400403155} is an apocalyptic number.

61222400403155 is a deficient number, since it is larger than the sum of its proper divisors (12244678134445).

61222400403155 is a wasteful number, since it uses less digits than its factorization.

61222400403155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008973.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 61222400403155 in words is "sixty-one trillion, two hundred twenty-two billion, four hundred million, four hundred three thousand, one hundred fifty-five".