1151465406 has 128 divisors (see below), whose sum is σ = 2920243200. Its totient is φ = 300754944.

The previous prime is 1151465377. The next prime is 1151465407. The reversal of 1151465406 is 6045641511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151465407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5163411 + ... + 5163633.

It is an arithmetic number, because the mean of its divisors is an integer number (22814400).

Almost surely, 2^1151465406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151465406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460121600).

1151465406 is an abundant number, since it is smaller than the sum of its proper divisors (1768777794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151465406 is a wasteful number, since it uses less digits than its factorization.

1151465406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1151465406 is about 33933.2492697060. The cubic root of 1151465406 is about 1048.1343760400.

The spelling of 1151465406 in words is "one billion, one hundred fifty-one million, four hundred sixty-five thousand, four hundred six".