11777251142 has 16 divisors (see below), whose sum is σ = 17779014000. Its totient is φ = 5851023360.

The previous prime is 11777251141. The next prime is 11777251159. The reversal of 11777251142 is 24115277711.

It is a junction number, because it is equal to n+sod(n) for n = 11777251096 and 11777251105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777251141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189209 + ... + 243627.

It is an arithmetic number, because the mean of its divisors is an integer number (1111188375).

Almost surely, 2^11777251142 is an apocalyptic number.

11777251142 is a deficient number, since it is larger than the sum of its proper divisors (6001762858).

11777251142 is a wasteful number, since it uses less digits than its factorization.

11777251142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55111.

The product of its digits is 27440, while the sum is 38.

The spelling of 11777251142 in words is "eleven billion, seven hundred seventy-seven million, two hundred fifty-one thousand, one hundred forty-two".