61501326114155 has 8 divisors (see below), whose sum is σ = 77685885618000. Its totient is φ = 46611531370656.

The previous prime is 61501326114149. The next prime is 61501326114157. The reversal of 61501326114155 is 55141162310516.

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 61501326114155 - 2¹⁶ = 61501326048619 is a prime.

It is a super-2 number, since 2×61501326114155² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61501326114157) by changing a digit.

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, 323691189980 + ... + 323691190169.

It is an arithmetic number, because the mean of its divisors is an integer number (9710735702250).

Almost surely, 2^{61501326114155} is an apocalyptic number.

61501326114155 is a deficient number, since it is larger than the sum of its proper divisors (16184559503845).

61501326114155 is a wasteful number, since it uses less digits than its factorization.

61501326114155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647382380173.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 61501326114155 in words is "sixty-one trillion, five hundred one billion, three hundred twenty-six million, one hundred fourteen thousand, one hundred fifty-five".