61551262660151 has 8 divisors (see below), whose sum is σ = 67329793392384. Its totient is φ = 55803225494520.

The previous prime is 61551262660141. The next prime is 61551262660201. The reversal of 61551262660151 is 15106626215516.

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 61551262660151 - 2¹⁰ = 61551262659127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61551262660096 and 61551262660105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61551262660141) 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, 7623387425 + ... + 7623395498.

It is an arithmetic number, because the mean of its divisors is an integer number (8416224174048).

Almost surely, 2^{61551262660151} is an apocalyptic number.

61551262660151 is a deficient number, since it is larger than the sum of its proper divisors (5778530732233).

61551262660151 is a wasteful number, since it uses less digits than its factorization.

61551262660151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15246783301.

The product of its (nonzero) digits is 648000, while the sum is 47.

Adding to 61551262660151 its reverse (15106626215516), we get a palindrome (76657888875667).

The spelling of 61551262660151 in words is "sixty-one trillion, five hundred fifty-one billion, two hundred sixty-two million, six hundred sixty thousand, one hundred fifty-one".