1141777953 has 12 divisors (see below), whose sum is σ = 1746248868. Its totient is φ = 716409600.

The previous prime is 1141777951. The next prime is 1141777961. The reversal of 1141777953 is 3597771411.

It can be written as a sum of positive squares in 2 ways, for example, as 737285409 + 404492544 = 27153^2 + 20112^2 .

It is not a de Polignac number, because 1141777953 - 2¹ = 1141777951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141777899 and 1141777908.

It is not an unprimeable number, because it can be changed into a prime (1141777951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3731148 + ... + 3731453.

It is an arithmetic number, because the mean of its divisors is an integer number (145520739).

Almost surely, 2^1141777953 is an apocalyptic number.

It is an amenable number.

1141777953 is a deficient number, since it is larger than the sum of its proper divisors (604470915).

1141777953 is a wasteful number, since it uses less digits than its factorization.

1141777953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462624 (or 7462621 counting only the distinct ones).

The product of its digits is 185220, while the sum is 45.

The square root of 1141777953 is about 33790.2049860607. The cubic root of 1141777953 is about 1045.1867230421.

The spelling of 1141777953 in words is "one billion, one hundred forty-one million, seven hundred seventy-seven thousand, nine hundred fifty-three".