1145880637101 has 12 divisors (see below), whose sum is σ = 1658897180928. Its totient is φ = 762195996744.

The previous prime is 1145880637079. The next prime is 1145880637157. The reversal of 1145880637101 is 1017360885411.

1145880637101 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 8 + 8 + 0 + 637 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 1145880637101 - 2⁶ = 1145880637037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145880637501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143698125 + ... + 143706098.

It is an arithmetic number, because the mean of its divisors is an integer number (138241431744).

Almost surely, 2^{1145880637101} is an apocalyptic number.

It is an amenable number.

1145880637101 is a deficient number, since it is larger than the sum of its proper divisors (513016543827).

1145880637101 is a wasteful number, since it uses less digits than its factorization.

1145880637101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287404672 (or 287404669 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 1145880637101 in words is "one trillion, one hundred forty-five billion, eight hundred eighty million, six hundred thirty-seven thousand, one hundred one".