1157550604 has 96 divisors (see below), whose sum is σ = 2600640000. Its totient is φ = 438856704.

The previous prime is 1157550599. The next prime is 1157550607. The reversal of 1157550604 is 4060557511.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 1157550604.

It is not an unprimeable number, because it can be changed into a prime (1157550607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1347127 + ... + 1347985.

It is an arithmetic number, because the mean of its divisors is an integer number (27090000).

Almost surely, 2^1157550604 is an apocalyptic number.

1157550604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157550604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300320000).

1157550604 is an abundant number, since it is smaller than the sum of its proper divisors (1443089396).

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

1157550604 is a wasteful number, since it uses less digits than its factorization.

1157550604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1157550604 is about 34022.7953584064. The cubic root of 1157550604 is about 1049.9775063964.

The spelling of 1157550604 in words is "one billion, one hundred fifty-seven million, five hundred fifty thousand, six hundred four".