1151522250 has 32 divisors (see below), whose sum is σ = 2874201408. Its totient is φ = 307072400.

The previous prime is 1151522237. The next prime is 1151522263. The reversal of 1151522250 is 522251511.

It is an interprime number because it is at equal distance from previous prime (1151522237) and next prime (1151522263).

It is a self number, because there is not a number n which added to its sum of digits gives 1151522250.

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, 766932 + ... + 768431.

It is an arithmetic number, because the mean of its divisors is an integer number (89818794).

Almost surely, 2^1151522250 is an apocalyptic number.

1151522250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151522250 is an abundant number, since it is smaller than the sum of its proper divisors (1722679158).

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

1151522250 is a wasteful number, since it uses less digits than its factorization.

1151522250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535383 (or 1535373 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1151522250 is about 33934.0868449410. The cubic root of 1151522250 is about 1048.1516233869.

Adding to 1151522250 its reverse (522251511), we get a palindrome (1673773761).

The spelling of 1151522250 in words is "one billion, one hundred fifty-one million, five hundred twenty-two thousand, two hundred fifty".