11761225420669 has 6 divisors (see below), whose sum is σ = 11768497030430. Its totient is φ = 11753958301176.

The previous prime is 11761225420663. The next prime is 11761225420699. The reversal of 11761225420669 is 96602452216711.

It can be written as a sum of positive squares in only one way, i.e., 9763562608900 + 1997662811769 = 3124670^2 + 1413387^2 .

It is not a de Polignac number, because 11761225420669 - 2³ = 11761225420661 is a prime.

It is a super-2 number, since 2×11761225420669² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11761225420661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 377647 + ... + 4864675.

Almost surely, 2^{11761225420669} is an apocalyptic number.

It is an amenable number.

11761225420669 is a deficient number, since it is larger than the sum of its proper divisors (7271609761).

11761225420669 is an frugal number, since it uses more digits than its factorization.

11761225420669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490267 (or 4488648 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 11761225420669 in words is "eleven trillion, seven hundred sixty-one billion, two hundred twenty-five million, four hundred twenty thousand, six hundred sixty-nine".