61101000551 has 16 divisors (see below), whose sum is σ = 65934679104. Its totient is φ = 56405666304.

The previous prime is 61101000533. The next prime is 61101000553. The reversal of 61101000551 is 15500010116.

It is a cyclic number.

It is not a de Polignac number, because 61101000551 - 2²² = 61096806247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101000553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4121885 + ... + 4136681.

It is an arithmetic number, because the mean of its divisors is an integer number (4120917444).

Almost surely, 2^61101000551 is an apocalyptic number.

61101000551 is a deficient number, since it is larger than the sum of its proper divisors (4833678553).

61101000551 is a wasteful number, since it uses less digits than its factorization.

61101000551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19450.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 61101000551 its reverse (15500010116), we get a palindrome (76601010667).

The spelling of 61101000551 in words is "sixty-one billion, one hundred one million, five hundred fifty-one", and thus it is an aban number.