761121111001 has 4 divisors (see below), whose sum is σ = 764305718400. Its totient is φ = 757936503604.

The previous prime is 761121110963. The next prime is 761121111029. The reversal of 761121111001 is 100111121167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 761121111001 - 2⁷ = 761121110873 is a prime.

It is a super-2 number, since 2×761121111001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761121111031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592303341 + ... + 1592303818.

It is an arithmetic number, because the mean of its divisors is an integer number (191076429600).

Almost surely, 2^761121111001 is an apocalyptic number.

It is an amenable number.

761121111001 is a deficient number, since it is larger than the sum of its proper divisors (3184607399).

761121111001 is a wasteful number, since it uses less digits than its factorization.

761121111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184607398.

The product of its (nonzero) digits is 84, while the sum is 22.

Adding to 761121111001 its reverse (100111121167), we get a palindrome (861232232168).

The spelling of 761121111001 in words is "seven hundred sixty-one billion, one hundred twenty-one million, one hundred eleven thousand, one".