1149609426852 has 48 divisors (see below), whose sum is σ = 2825307074240. Its totient is φ = 362815345152.

The previous prime is 1149609426851. The next prime is 1149609426869. The reversal of 1149609426852 is 2586249069411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 1149609426792 and 1149609426801.

It is not an unprimeable number, because it can be changed into a prime (1149609426851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143673 + ... + 1899264.

Almost surely, 2^{1149609426852} is an apocalyptic number.

1149609426852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1149609426852 is an abundant number, since it is smaller than the sum of its proper divisors (1675697647388).

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

1149609426852 is a wasteful number, since it uses less digits than its factorization.

1149609426852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044620 (or 3044618 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 1149609426852 in words is "one trillion, one hundred forty-nine billion, six hundred nine million, four hundred twenty-six thousand, eight hundred fifty-two".