1151061504 has 80 divisors (see below), whose sum is σ = 3172363920. Its totient is φ = 370442240.

The previous prime is 1151061497. The next prime is 1151061557. The reversal of 1151061504 is 4051601511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31624 + ... + 57464.

It is an arithmetic number, because the mean of its divisors is an integer number (39654549).

Almost surely, 2^1151061504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151061504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586181960).

1151061504 is an abundant number, since it is smaller than the sum of its proper divisors (2021302416).

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

1151061504 is an equidigital number, since it uses as much as digits as its factorization.

1151061504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25891 (or 25875 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1151061504 is about 33927.2973282577. The cubic root of 1151061504 is about 1048.0118095905.

The spelling of 1151061504 in words is "one billion, one hundred fifty-one million, sixty-one thousand, five hundred four".