1129098497940 has 144 divisors (see below), whose sum is σ = 4019997700992. Its totient is φ = 251104520448.

The previous prime is 1129098497911. The next prime is 1129098497957. The reversal of 1129098497940 is 497948909211.

1129098497940 is a `hidden beast` number, since 1 + 12 + 9 + 0 + 98 + 497 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12062974 + ... + 12156213.

Almost surely, 2^{1129098497940} is an apocalyptic number.

1129098497940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129098497940 is an abundant number, since it is smaller than the sum of its proper divisors (2890899203052).

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

1129098497940 is a wasteful number, since it uses less digits than its factorization.

1129098497940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219246 (or 24219241 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 1129098497940 in words is "one trillion, one hundred twenty-nine billion, ninety-eight million, four hundred ninety-seven thousand, nine hundred forty".