1151800494 has 32 divisors (see below), whose sum is σ = 2538501504. Its totient is φ = 346157280.

The previous prime is 1151800457. The next prime is 1151800519. The reversal of 1151800494 is 4940081511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168352 + ... + 175059.

It is an arithmetic number, because the mean of its divisors is an integer number (79328172).

Almost surely, 2^1151800494 is an apocalyptic number.

1151800494 is an abundant number, since it is smaller than the sum of its proper divisors (1386701010).

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

1151800494 is a wasteful number, since it uses less digits than its factorization.

1151800494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343472.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1151800494 is about 33938.1863687499. The cubic root of 1151800494 is about 1048.2360387231.

The spelling of 1151800494 in words is "one billion, one hundred fifty-one million, eight hundred thousand, four hundred ninety-four".