1146156003220 has 24 divisors (see below), whose sum is σ = 2409852219264. Its totient is φ = 457905332256.

The previous prime is 1146156003193. The next prime is 1146156003233. The reversal of 1146156003220 is 223006516411.

It is a happy number.

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, 34799944 + ... + 34832863.

It is an arithmetic number, because the mean of its divisors is an integer number (100410509136).

Almost surely, 2^{1146156003220} is an apocalyptic number.

1146156003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146156003220 is an abundant number, since it is smaller than the sum of its proper divisors (1263696216044).

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

1146156003220 is a wasteful number, since it uses less digits than its factorization.

1146156003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69633639 (or 69633637 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 1146156003220 in words is "one trillion, one hundred forty-six billion, one hundred fifty-six million, three thousand, two hundred twenty".