11540074212 has 30 divisors (see below), whose sum is σ = 30168034358. Its totient is φ = 3846691296.

The previous prime is 11540074199. The next prime is 11540074219. The reversal of 11540074212 is 21247004511.

It can be written as a sum of positive squares in only one way, i.e., 11019960576 + 520113636 = 104976^2 + 22806^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11540074219) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17808433 + ... + 17809080.

Almost surely, 2^11540074212 is an apocalyptic number.

11540074212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11540074212 is an abundant number, since it is smaller than the sum of its proper divisors (18627960146).

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

11540074212 is a wasteful number, since it uses less digits than its factorization.

11540074212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35617529 (or 35617518 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 11540074212 its reverse (21247004511), we get a palindrome (32787078723).

The spelling of 11540074212 in words is "eleven billion, five hundred forty million, seventy-four thousand, two hundred twelve".