775025550051 has 4 divisors (see below), whose sum is σ = 1033367400072. Its totient is φ = 516683700032.

The previous prime is 775025550001. The next prime is 775025550119. The reversal of 775025550051 is 150055520577.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150055520577 = 3 ⋅50018506859.

It is a cyclic number.

It is not a de Polignac number, because 775025550051 - 2¹⁰ = 775025549027 is a prime.

It is a super-2 number, since 2×775025550051² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 775025549985 and 775025550012.

It is not an unprimeable number, because it can be changed into a prime (775025550001) 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, 129170925006 + ... + 129170925011.

It is an arithmetic number, because the mean of its divisors is an integer number (258341850018).

Almost surely, 2^775025550051 is an apocalyptic number.

775025550051 is a deficient number, since it is larger than the sum of its proper divisors (258341850021).

775025550051 is a wasteful number, since it uses less digits than its factorization.

775025550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258341850020.

The product of its (nonzero) digits is 306250, while the sum is 42.

The spelling of 775025550051 in words is "seven hundred seventy-five billion, twenty-five million, five hundred fifty thousand, fifty-one".