1157210547840 has 1024 divisors, whose sum is σ = 4400090035200. Its totient is φ = 286772428800.

The previous prime is 1157210547827. The next prime is 1157210547853. The reversal of 1157210547840 is 487450127511.

1157210547840 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 21 + 0 + 547 + 84 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1157210547827) and next prime (1157210547853).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2885811640 + ... + 2885812040.

It is an arithmetic number, because the mean of its divisors is an integer number (4296962925).

Almost surely, 2^{1157210547840} is an apocalyptic number.

1157210547840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157210547840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200045017600).

1157210547840 is an abundant number, since it is smaller than the sum of its proper divisors (3242879487360).

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

1157210547840 is a wasteful number, since it uses less digits than its factorization.

1157210547840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 1157210547840 in words is "one trillion, one hundred fifty-seven billion, two hundred ten million, five hundred forty-seven thousand, eight hundred forty".