1161162537340 has 48 divisors (see below), whose sum is σ = 2626589423808. Its totient is φ = 428642947584.

The previous prime is 1161162537281. The next prime is 1161162537401. The reversal of 1161162537340 is 437352611611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1161162537293 and 1161162537302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704344 + ... + 1678816.

It is an arithmetic number, because the mean of its divisors is an integer number (54720612996).

Almost surely, 2^{1161162537340} is an apocalyptic number.

1161162537340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161162537340 is an abundant number, since it is smaller than the sum of its proper divisors (1465426886468).

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

1161162537340 is a wasteful number, since it uses less digits than its factorization.

1161162537340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979078 (or 979076 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 1161162537340 in words is "one trillion, one hundred sixty-one billion, one hundred sixty-two million, five hundred thirty-seven thousand, three hundred forty".