755051611121 has 4 divisors (see below), whose sum is σ = 756392733552. Its totient is φ = 753710488692.

The previous prime is 755051611087. The next prime is 755051611133. The reversal of 755051611121 is 121116150557.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121116150557 = 16381 ⋅7393697.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755051611121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755051611621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670560371 + ... + 670561496.

It is an arithmetic number, because the mean of its divisors is an integer number (189098183388).

Almost surely, 2^755051611121 is an apocalyptic number.

It is an amenable number.

755051611121 is a deficient number, since it is larger than the sum of its proper divisors (1341122431).

755051611121 is a wasteful number, since it uses less digits than its factorization.

755051611121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341122430.

The product of its (nonzero) digits is 10500, while the sum is 35.

Adding to 755051611121 its reverse (121116150557), we get a palindrome (876167761678).

The spelling of 755051611121 in words is "seven hundred fifty-five billion, fifty-one million, six hundred eleven thousand, one hundred twenty-one".