1151775220740 has 96 divisors (see below), whose sum is σ = 3486454849920. Its totient is φ = 283110598656.

The previous prime is 1151775220723. The next prime is 1151775220763. The reversal of 1151775220740 is 470225771511.

It is a super-2 number, since 2×1151775220740² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151775220692 and 1151775220701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13610917 + ... + 13695276.

It is an arithmetic number, because the mean of its divisors is an integer number (36317238020).

Almost surely, 2^{1151775220740} is an apocalyptic number.

1151775220740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151775220740 is an abundant number, since it is smaller than the sum of its proper divisors (2334679629180).

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

1151775220740 is a wasteful number, since it uses less digits than its factorization.

1151775220740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27306261 (or 27306259 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 42.

The spelling of 1151775220740 in words is "one trillion, one hundred fifty-one billion, seven hundred seventy-five million, two hundred twenty thousand, seven hundred forty".