1150400077 has 4 divisors (see below), whose sum is σ = 1151425600. Its totient is φ = 1149374556.

The previous prime is 1150400071. The next prime is 1150400093. The reversal of 1150400077 is 7700040511.

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.

It is a cyclic number.

It is not a de Polignac number, because 1150400077 - 2¹⁹ = 1149875789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150400071) 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, 511077 + ... + 513322.

It is an arithmetic number, because the mean of its divisors is an integer number (287856400).

Almost surely, 2^1150400077 is an apocalyptic number.

It is an amenable number.

1150400077 is a deficient number, since it is larger than the sum of its proper divisors (1025523).

1150400077 is a wasteful number, since it uses less digits than its factorization.

1150400077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025522.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1150400077 is about 33917.5482162258. The cubic root of 1150400077 is about 1047.8110337211.

Adding to 1150400077 its reverse (7700040511), we get a palindrome (8850440588).

The spelling of 1150400077 in words is "one billion, one hundred fifty million, four hundred thousand, seventy-seven".