11151532340 has 24 divisors (see below), whose sum is σ = 25219619880. Its totient is φ = 4117488768.

The previous prime is 11151532339. The next prime is 11151532361. The reversal of 11151532340 is 4323515111.

It can be written as a sum of positive squares in 4 ways, for example, as 1922471716 + 9229060624 = 43846^2 + 96068^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 21444995 + ... + 21445514.

It is an arithmetic number, because the mean of its divisors is an integer number (1050817495).

Almost surely, 2^11151532340 is an apocalyptic number.

11151532340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11151532340 is an abundant number, since it is smaller than the sum of its proper divisors (14068087540).

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

11151532340 is a wasteful number, since it uses less digits than its factorization.

11151532340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42890531 (or 42890529 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 11151532340 in words is "eleven billion, one hundred fifty-one million, five hundred thirty-two thousand, three hundred forty".